Iridium is not the heaviest atom found in nature. what, then, accounts for a chunk of pure iridium being the densest substance on earth?
Answers
Iridium is not the heaviest atom found in nature. However, a chunk of pure iridium is the densest substance on earth because of its atomic arrangement and its atomic number. Therefore, it is a dense substance because of its atomic structure.
Iridium is a dense metal that has a higher density than most metals. It is a rare, silver-white, and brittle transition metal. Its atomic number is 77, and its symbol is Ir. Its name comes from the Greek word iris, which means rainbow. It is a precious metal because of its rarity and uses in numerous applications.
The atomic structure of Iridium has a small atomic radius because of its high atomic number. Its atomic radius is 136 picometres, and its atomic mass is 192.22 g/mol. Iridium has nine stable isotopes, and they are all radioactive. The most stable isotope is Ir-193, which has a half-life of 4.37 × 106 years. In addition, Iridium has a face-centered cubic lattice structure that is tightly packed.
This structure makes it very dense and hard. Therefore, the densest substance on earth is a chunk of pure iridium because of its atomic arrangement and atomic number. Iridium is not the heaviest atom found in nature, but it is dense due to its atomic structure.
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Related Questions
where's the caspin sea located at is it near asia or europe
Answers
Answer:
europe
Explanation:
Caspian Sea lies in Eastern Europe
ural mountains in russia is the border between europe & asia
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Volcanic rock has often been found early in the rock record but less frequently in later rock layers. What does this suggest to scientists about early earth
Answers
The fact that volcanic rock is often found early in the rock record but less frequently in later rock layers suggests to scientists that the early Earth had a more active volcanic activity compared to the later periods.
This can be explained by the concept of plate tectonics and the evolution of Earth's geology over time. During the early stages of Earth's formation, the planet was still undergoing significant geological processes, including the formation of the Earth's crust and the movement of tectonic plates. This active volcanic activity resulted in the eruption of molten lava onto the Earth's surface, which then solidified and formed volcanic rock. As time progressed and the Earth's crust stabilized, volcanic activity became less frequent. This led to a decrease in the deposition of volcanic rock in later rock layers. Instead, other types of rocks, such as sedimentary rocks, became more common as they formed through processes like erosion, deposition, and lithification.
In summary, the presence of volcanic rock early in the rock record and its reduced occurrence in later rock layers suggest that the early Earth had a more active volcanic history compared to later periods. This information helps scientists understand the geological processes that shaped our planet over time.
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What have you learned about tectonic plates
Answers
Answer
Plate tectonics explains why and where earthquakes occur. This makes it possible to make predictions about earthquakes. Plate tectonics explains why and where mountains are formed. ... This makes Plate tectonics important to the study of geology.
Explanation:
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Geothermal energy is a prominent energy source in: A. Ireland. B. northern Europe. C. Iceland. D. Australia. E. Canada.
Answers
Answer:
Iceland
Explanation:
ICELAND
NEED ANSWER ASP PLEASE
Answers
Answer:
1. True
2. True
3. True
4. True
Explanation:
Type the correct answer in the box. Spell all the words correctly.
Which type of agreements do some clients make their security agents sign?
Some high-profile clients have their security agents sign *BLANK*
agreements in order to protect their privacy.
Answers
Some high-profile clients have their security agents sign non-disclosure agreements (NDAs) in order to protect their privacy.
A legally binding contract that specifies the sensitive information that a party would receive during their employment or engagement and prohibits them from disclosing or sharing that information with others is called a non-disclosure agreement.
To protect sensitive information regarding the client's personal life, schedule, activities, or any other facts that, if exposed, could jeopardize their privacy or security, NDAs may be used by security agents working for high-profile clients.
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In which Italian city can you find the Colosseum?
Venice
Rome
Naples
Milan
Answers
Answer:
Rome
Explanation:
The Colosseum is an elliptical amphitheatre in the centre of the city of Rome, Italy, just east of the Roman Forum. It is the largest ancient amphitheatre ever built, and is still the largest standing amphitheatre in the world, despite its age.
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In a paragraph of not more than 8 lines describe the reasons for the difference in the population density of South Africa and England.
Answers
Hey there! I'm happy to help!
Both South Africa and England have a similar populations. However, these countries have different population densities. Population density is how crowded the country is with people. South Africa is a much larger country in terms of its area while England has a smaller land area. If they have similar populations, but different amounts of space, one is going to have a higher population density. Since England has less space, it has a higher population density as there are more people in a smaller space. There is more land area in South Africa, so this naturally makes it less crowded.
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What factors led to the Chinese Exclusion Act?
Many Chinese were not planning on staying in the US, and therefore, didn't see
themselves as Americans
.
Chinese immigrants were willing to be paid less, which created resentment.
Chinese people stood out because they did not look like their European
American counterparts.
all of the options
please help quick
Answers
One of several discriminatory U.S. laws that limited Chinese immigration and made Chinese people was the Chinese Exclusion Act of 1882.
What Is the Chinese Exclusion Act?The Chinese Exclusion Act of 1882 was the first significant statute imposing restrictions on immigration to the US. Many Americans on the West Coast blamed Chinese employees for the economy's difficulties and declining wages. Congress passed the Chinese Exclusion Act despite the fact that the Chinese made up only 0.002 percent of the country's population in order to appease labor demands and allay worries about preserving white "racial purity."
The purpose of the Chinese Immigration ActThe Chinese Immigration Act of 1923 was approved by the government of Prime Minister William Lyon Mackenzie King in response to repeated calls for stronger regulations to limit Chinese immigration.
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When a population pyramid indicates that a country’s population has a high percentage of young people, that usually means that the population is __________.
A.
decreasing
B.
increasing
C.
staying constant
D.
getting older
Please select the best answer from the choices provided
A
B
C
D
Answers
Answer:
B
Explanation:
Answer:
B. Increasing
Explanation:
Taking the test now so gl everyone!
what happened to many precious stones from the mausoleum?
A.) They had to be replaced because they were falling off.
B.) They had been taken by tourist.
C.) They were stolen by the British Army.
D.) They had been placed in museums
Answers
Answer: c or a
Explanation:
relative location of bismarck, dakota
Answers
Bismarck, Dakota is located in the central region of the United States, specifically in the state of North Dakota. It is situated along the eastern bank of the Missouri River.
1. Start by identifying the state: Bismarck is located in Dakota, which refers to North Dakota.
2. Locate Bismarck within North Dakota: Bismarck is situated in the central part of the state.
3. Determine its position along the Missouri River: Bismarck is found along the eastern bank of the Missouri River.
4. Note the geographical significance: Being situated near the Missouri River provides Bismarck with access to water transportation and recreational activities.
5. Understand the regional context: Bismarck is the capital city of North Dakota and serves as an important economic and cultural hub for the region.
6. Recognize neighboring areas: The city is surrounded by the Great Plains and is in proximity to other notable cities such as Fargo and Grand Forks.
7. Consider transportation connections: Bismarck is accessible through major highways, including Interstate 94, which connects it to other cities in North Dakota and neighboring states.
8. Acknowledge the natural surroundings: The area around Bismarck features a diverse landscape, including rolling hills, prairies, and the nearby Badlands National Park.
9. Take note of local attractions: Bismarck is home to various landmarks, including the North Dakota State Capitol, the Dakota Zoo, and Fort Abraham Lincoln State Park.
10. Summarize the relative location: In conclusion, Bismarck, Dakota is positioned centrally in North Dakota along the eastern bank of the Missouri River, surrounded by the Great Plains and offering access to both natural beauty and urban amenities.
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What are the negative impats of radiation on the economy
Answers
Answer:
Radiation can cause death and sickness (like cancer and radiation sickness). Radiation can kill plant life, and alter the DNA in living matter. Therefore mutating something that is healthy into something that wont be as healthy.
Explanation:
Rocks, minerals, and fossil fuels are what type of resource?
Answers
Answer:
natural resources like Rocks, minerals , and fossil fuelswhen cost and effort override a person's willingness to travel, the principle in operation is____.
Answers
The given statement: "when cost and effort override a person's willingness to travel, the principle in operation is ____" is incomplete. Hence, to provide a suitable answer, please provide the missing term to complete the statement.I will, however, explain the concept of principles of operation.
Operating principles are the fundamental guidelines used by a corporation to direct and organize the everyday operations of the organization. These operating principles are typically a set of parameters and constraints for an organization to follow, resulting in consistency and continuity in the organization's operations.Operating principles guide the operations of an organization; thus, they define a framework that ensures that all personnel and facilities work together coherently to achieve the company's goals.
For example, a firm may have an operating principle of delivering products within a specific time frame to provide outstanding customer service.When cost and effort override a person's willingness to travel, the principle in operation is the principle of minimum cost. The principle of minimum cost is a cost principle that a firm uses to make the most cost-effective and beneficial decisions among multiple alternatives. It implies that a company must choose the least costly alternative among several feasible options.
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Cost and effort overriding willingness to travel indicate the principle of practicality.
What principle is at play when cost and effort overrides?When individuals prioritize practicality over their desire to travel, the principle in operation is the consideration of cost and effort. In such circumstances, the financial implications and physical exertion associated with the journey take precedence over personal inclination or willingness to explore.
This principle acknowledges the practical limitations that individuals may face when making travel decisions ensuring that practical factors are given more weight than mere desire or willingness.
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What causes the sinking of water in the northern Atlantic Ocean, which helps to drive the Ocean Conveyor Belt?
The low salinity water coming from the south gains salt and becomes more dense.
The high salinity water coming from the south cools and becomes more dense.
The high salinity water coming from the south warms and becomes less dense.
The low salinity water coming from the south looses salt and becomes less dense.
Answers
Answer:
B
Explanation:
The global ocean conveyor belt is a constantly moving system of deep-ocean circulation driven by temperature and salinity. The great ocean conveyor moves water around the globe. ... This loss of heat to the atmosphere makes the water cooler and denser, causing it to sink to the bottom of the ocean.
The sinking of water in the northern Atlantic Ocean, which helps to drive the Ocean Conveyor Belt causes The high salinity water coming from the south cool and become denser. Thus the correct option is B.
What is Ocean Conveyor Belt?A system of depth circulation that is always circulating and driven by salinity and temperatures is known as the "global ocean conveyor belt." The worldwide ocean nourishment and co2 cycles depend heavily on the conveyor belt.
When warm water from the Gulf Stream heated the atmosphere in the chilly northern latitudes, it warms the Norwegian Sea, where the ocean conveyor gets its "start." The water becomes denser and cooler due to this energy loss to the environment.
Saline water that is warmer and less thick is boiled in the equatorial zone and moves toward higher latitudes or the poles. When this water rises to higher latitudes, it combines with the arctic water, which becomes denser.
Therefore, option B is appropriate.
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The Earth’s plates are made of what layer(s)?
Answers
Answer:
lithosphere
Explanation:
The lithosphere is the solid, outer part of the Earth. The lithosphere includes the brittle upper portion of the mantle and the crust, the outermost layers of Earth's structure. It is bounded by the atmosphere above and the asthenosphere.
Steve needs to earn a B in his Geology class. His current test scores are 75, 86, 85, and 78. His final exam is worth 4 test scores. In order to earn a B Steve's average must lie between 80 and 89 inc
Answers
Let's figure out Steve's overall test average.
Test average: (75 + 86 + 85 + 78) / 4 = 81
Steve's average test score needs to be between 80 and 89 to receive a B in his Geology class. Let's figure out what Steve needs to score on his final exam in order to get the appropriate average.
Let X represent the final exam result.
Test score change: (75 + 86 + 85 + 78 + X) / 5
Steve wants his new average to range from 80 to 89, inclusive, therefore we can create the inequality seen below:
Multiplying through by 5:
400 ≤ 324 + X ≤ 445
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The dashed lines labeled "B" on the accompanying figure are known as
corange lines
Coriolis lines
declination lines
Answers
Answer: Corange Lines
Explanation:
The dashed lines labeled "B" on the accompanying figure are known as Coriolis lines. The correct option is B.
Why is it called the Coriolis effect?In honor of French mathematician and physicist Gaspard-Gustave de Coriolis, the Coriolis Effect was given that name. It has an impact on everything from weather patterns to ocean currents to aviation transport. Even though the Coriolis Effect is significant, few people are aware of it, and even fewer actually comprehend it.
The Coriolis effect, a phenomenon brought on by the rotation of the Earth and affecting the motion of things on the planet's surface, is indicated by imaginary lines on a map called "Coriolis lines," which show the direction of the influence. Coriolis lines, often referred to as deflective or inertial lines, are used to forecast how air and water masses will move in the atmosphere and oceans.
Thus, the ideal selection is option B.
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The rich are growing richer, and the poor are growing poorer. Do you agree with this statement?
PLEASE ANSWER!
Answers
What are some problems associated with urbanization?
Answers
Which time period did humans develop more advanced abilities due to a larger brain size?
Answers
If Star A has twice the surface temperature of the Sun but has the same luminosity as the Sun, the diameter of Star A must be __________ the diameter of the Sun.
Choose one:
A. 16 times
B. 4 times
C. one-fourth
D. one-half
Answers
Answer: Approximately 1.41 times, which is closer to option D. 1.5
What is surface temperature?Generally, Surface temperature is the temperature of the air, water, or land at or near the Earth's surface. It is an important factor in determining climate and weather patterns.
The surface temperature and luminosity of a star are related to its diameter through the Stefan-Boltzmann law and the inverse square law. If Star A has twice the surface temperature of the Sun but has the same luminosity as the Sun, then Star A must have a smaller surface area than the Sun to compensate for the higher temperature.
According to the Stefan-Boltzmann law, the luminosity of a star is proportional to the fourth power of its radius. Therefore, if two stars have the same luminosity, the ratio of their radii is the square root of the ratio of their surface temperatures:
Ratio of radii = sqrt(Temperature of star A / Temperature of Sun)
Ratio of radii = sqrt(2 / 1) = sqrt(2)
Therefore, the diameter of Star A must be sqrt(2) times the diameter of the Sun, or approximately 1.41 times the diameter of the Sun.
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Which four island nations make up the greater antilles.
Answers
Answer:
Cuba, Puerto Rico, Jamaica, and Hispaniola, which makes up Haiti and the Dominican
The flat plateau region in the Andes Mountains that is mostly populated by indigenous people from Peru and Bolivia is called the __________.
A.
outback
B.
Pampas
C.
Altiplano
D.
rainforest
Answers
Answer:
Hi there The answer is C Altiplano
Explanation:
Answer:
i do belive it is C. i just took my topic test and correct
Explanation:
(Thank you person above me credits goes to him)
Which of the following is a direct effect of tectonic plate movement?
Seasonal changes in global weather patterns
Seasonal changes in global weather patterns
The distribution of biomes in a given area
The distribution of biomes in a given area
The topography of a mountainous region
The topography of a mountainous region
The average precipitation that an area receives
Answers
Answer:
I believe that the answer is "The topography of mountainous region".
Explanation:
because tectonic plates is the direct cause that forms mountains and volcanos. The other options do not have anything to do with tectonic plates. The first option has to do with weather and climate and the second option has to do with physical geography. (I hope that this has helped!)
if the specific heat capacity of water were smaller than it is, how would this affect oceans and climate?
Answers
Having a smaller specific heat capacity for water would have a significant impact on the oceans and climate. Without as much retained heat energy, oceans would be cooler, resulting in cooler global temperatures overall.
These cooler temperatures would affect ocean currents, changing how the ocean transfers heat between different regions. The resulting climate patterns could be unpredictable, resulting in major shifts in temperature, rain, and snow. This would drastically reduce the habitats available for certain marine and land animal species, and disturb the agriculture of some regions.
On the other hand, since warmer air can hold more moisture, overall rain and snowfall could increase in areas that experience irregular patterns, such as regions near the equator. In this scenario, the unpredictable climate could be detrimental to many living organisms on land and in the sea.
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How many square miles is australia and austria combined and subtracted by the square miles of luxemburg?
Answers
Answer:
2999999 SQ MILES
Explanation:
Square Miles of Australia: 2.968 Million
Square Miles of Austria: 0.032 Million
Add them up and you get 3 Million
Luxemburg Square Miles: 1000
3,000,000 - 1,000
2999000 Square MILES
A hot air balloon can hold up to 300 pounds of weight. The balloon's pilot weighs 140 pounds. How many 20-pound bags of sand (b) can also be carried by the hot air balloon? Select three options.
Answers
Answer:
8
Explanation:
Answer:
8 and 10 and 0
Explanation:
What land-form is located west of the Adriatic Sea?
Answers
Answer: Is it the compact Italian city of Venice with its renowned canals situated on a small, fish-shaped island in the Laguna Veneta at the northwest corner of the Adriatic Sea?
Explanation: