Students in a science classroom were given two vials. One vial contained a mixture and the other vial contained a pure substance. What is the main difference between a mixture and a pure substance.

Compare the compressibility of solids and liquids. Support your answer by describing the arrangement of particles in solids and liquids.

Which term names when the carrying capacity of the land is exceeded? population control overpopulation immigration exponential additions

If 50% of radioactive element remains after 4000 years what what is the half life

The electron A. is where protons and neutrons are found. B. is the smallest part of an atom. C. is positively charged.

When dissolved in water, koh behaves as an acid that forms k + and oh - ions. a base that forms ko - and h + ions. a base that forms k + and oh - ions. an acid that forms ko - and h + ions?

What causes an increase in the average global temperature?

Which of the following is true regarding nuclear fission and nuclear fusion? A. Both of these processes can provide energy. B. Our sun's heat is an example of both of these processes. C. Both of these processes are equally complex to control. D.

It takes 5.2 minutes for a 4.0 g sample of francium-210 to decay until only 1.0 g is left. What is the half-life of francium-210? 7.8 minutes 1.3 minutes 2.6 minutes 5.2 minutes

What is the correct orbital diagram for carbon

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