Master Chemistry with Fun Quizzes & Brain Teasers!

How many atoms of aluminum are in a molecule of magnesium aluminum oxide (Al2MgO4)?
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___________ elements are naturally unstable as they break down over time to more stable forms.
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Plz help! :) :D I will mark you as BRAINLIEST for the best answer!!! ( I actually mean it)Physical and Chemical Properties of MagnesiumHere is an EXAMPLE of how it has to be like. Instead of Mercury, you HAVE to do MagnesiumPhysical Properties of Mercury: Im a highly stable element, so you can count on meChemical Properties of Mercury: I love to travel but I do corrode aluminum so we wont be flying off on adventures in airplanes planes anytime soon
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Which of the following is an example of a chemical change that occurs in your home?A) Water boiling on the stoveB) Composting your own fertilizerC) Smashing a window with a baseballD) Adding food coloring to icing for a cake
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How do you figure out what roman numeral to use? Give a specific example
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What are examples of evaporation?
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I NEED HELP!!! How is continental crust different from oceanic crust?Oceanic crust is thinner and more likely to sink.Oceanic crust is thicker and more dense.Continental crust is more dense and lighter.Continental crust is thicker and more likely to sink.
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The millions of fossils that scientists have collected are called the fossil __.
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Plz help! :) :D I will mark you as BRAINLIEST!!!Physical and Chemical Properties of MagnesiumHere is an EXAMPLE of how it has to be like. Instead of Mercury, you HAVE to do MagnesiumPhysical Properties of Mercury: Im a highly stable element, so you can count on meChemical Properties of Mercury: I love to travel but I do corrode aluminum so we wont be flying off on adventures in airplanes planes anytime soon
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how light warms up matter
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Which is the best way to determine if an object is made of pure silver?O Determine the solubility of the object.O Test to see if the object is chemically reactive.Determine the density of the object and compare the known density of pure silver.O Compare the mass of the silver object to the mass of a piece of pure silver.
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Help RRLY EASY I JUST DONT UNDERSTAND
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PLEASE HELP I WILL GIVE U BRAINLIEST :)This chart shows four atoms, labeled W, X, Y, and Z. These atoms can combine with each other to form molecules.Which combination of atoms will form a molecule, but not a compound? A. W and X B. X and Y C. W and Z D. Y and Z
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Which would have the LEAST gravitational potential energy (GPE)? A ball sitting on the ground An airplane flying 30,000 feet above the ground A rock sitting on top of Mt. Everest
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Calculate the answer. Express It In scientific notation. All answers should have the correct number of significant figures.(4.9 x 10^-2) (9.80 x 10^2) =48.024848 x 10^-14.8 x 10^1
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Question 8 (3 points)Cindy dropped a test tube during a lab in science class, spilling its contents on thefloor. She immediately picked up the broken glass and used paper towels to clean upthe spill before redoing her lab.How should she have handled the clean up?
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How are the atoms in an object affected when the temperature of the object increases? *They join together.They vibrate faster.They vibrate slower.They split apart.
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Is uranium a mixture or pure substance
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HELP ME PLEASE!! Im IN A RUSH I NEED HeLP ! a government is worried that too many of its people areunemployed. It decides to build several new highways thatcross the entire country, which will create thousands ofjobs for construction workers. The government hopesthese new workers will spend their wages at localbusinesses and improve the economy.The government actions described in the passage best show which concept?A. RegulationB. TaxationO C. SpendingOD. Monetary policy
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Can you guys answer question 4 on new substance for Chemistry tysm
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How do spores help the survival of spore-bearing plant?
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Why are metals malleable? aThey are shiny. bThe electrons are delocalized and able to move between the atoms. cThe electrons are held tightly within the lattice structure making it strong. dThe electrons are shared between two metal ions and this holds the atoms together.
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Earth Layers: describe each layer of makeup, location, and physical properties.be sure to include which layers are compositional and watch are mechanical
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Which statement describes the effect of sorting and recombining genes in sexual reproduction?Group of answer choicesoffspring receive only recessive genesoffspring receive only dominant genesoffspring receive the same set of genesoffspring receive a unique combination of genes
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