Master Chemistry with Fun Quizzes & Brain Teasers!

HELP ME OUT PLEASE!! I NEED HELP !This diagram represents one of the four levels of industry. Which term bestcompletes the diagram?Factory employeesOil refinery workersButchersA. Quaternary sectorOB. Secondary sectorC. Tertiary sectorD. Primary sector
2 Answers
Determine the average atomic mass of the following mixture of isotopes of Potassium:(93.12%) 38.963 amu(6.88 %) 40.962 amu
1 Answer
Plz Help!Make a funny sentence for flammability and compounds for Magnesium
1 Answer
Jose had an assignment to classify mixtures he found around his home. As he started exploring the house, he recalled that mixtures are defined by the size and behavior of the particles in them. He found some buckets of paint in the garage. What kind of mixture can paint be classified as?
2 Answers
Which type of bonds do polar covalent bonds break down in chemical reactions?A. polar covalent and ionic bondsB. nonpolar covalent bonds and polar covalent bondsC. ionic bonds and nonpolar bondsD. none of the above
2 Answers
In the apple activity you completed which of the following is an example of a constant
1 Answer
Which data are shown on topographic maps?A.)population sizes of major citiesB.)information about elevation and slopeC.)relief of each area laid out in tiled squaresD.)variations in climate between geographic areas
2 Answers
Please help ASAP Ill make you u as brainlister please 100 points pelaseee
2 Answers
what does it mean if elements are in the same group on the periodic table?
1 Answer
(True or False) Only an odd number of orbitals is possible for any electron sublevel?
2 Answers
Pls, Help ASAP with 30 points!!!Describe the similarities and differences between the eruptions ofless gassy and more gassy magma.
1 Answer
Can you guys help me answer question 5 on homogeneous mixture tysm
1 Answer
Multiple choice!:D god
1 Answer
HELP!!!!PLEASE which to terms describe how waves the them blue light are different from waves of bright red light? A. Higher amplitude B. Lower amplitude C. Longer wavelength D. Shorter wavelength choose two answers
2 Answers
Select the correct answer.In which situation is no work considered to be done by a force?A. when the angle between the force and displacement is 180B. when the angle between the force and displacement is 90C. when the angle between the force and displacement is 45D. when the angle between the force and displacement is 0
1 Answer
Which of the following is a clue that something is pseudoscience?Athe presence of empirical evidenceBthe use of a famous athlete for supportCthe support of a respected scientistDthe use of the scientific method
2 Answers
Which is one way that minerals crystallize from materials dissolved in water?from the airfrom solutions that evaporatefrom hot water solutions when water boilsfrom the soil
2 Answers
1. Compare the masses and the charges for the three particles which makeupthe atom.
1 Answer
How would you obtain ethanol from rice starch?
1 Answer
Samantha was not feeling well. She had a fever and felt nauseous. Her mother took Samantha to the doctor who prescribed an antibiotic. What kind of infectious agent did Samantha have?Group of answer choicesA)ParasiticB)FungalC)ViralD)Bacterial
1 Answer
A black rock has a mass of 12.5 grams. When dropped into a graduated cylinder, the volume rises from 20 ml to 24 ml. What is the density of the rock?
1 Answer
Object A has a mass of 12g and a volume of 8cm3. object B has a mass of 20g and a volume of 8cm3 . which object has a greater density and by how much
1 Answer
A rock occupies a volume of 20 cm3 and has a mass of 54 grams. Find the density of this rock
1 Answer
What part of the plant absorbs the most sunlight to use for making glucose?Question 6 options:a.Roots b.Stem c.Seedd.Leaves
1 Answer