What is volume?

A. half of the density of a substance

B. the amount of matter in a substance

C. twice the amount of mass of a substance

D. the amount of space a substance takes up

Under equilibrium condition, what is the probability of an electron state being occupied if it is located at the Fermi level

Scientists believe that ancient bacteria represents the first evidence of life on Earth. Which of these best describes the process by which bacteria was created?

What are the repulsive forces

Which of the following is a physical change

The from of water that falls to the earth as rain

If you knew the number of valence electrons in a nonmetal atom, how would you determine the valence of the element?

Which of the following solutions is a good buffer system? Which of the following solutions is a good buffer system? a solution that is 0.10 M HF and 0.10 M LiC2H3O2 a solution that is 0.10 M HC2H3O2 and 0.10 M LiC2H3O2 a solution that is 0.

Which formula shows a substance that is not molecular?

Brainstorm how you could run a pcr reaction if you did not have access to a thermal cycler.

Ch4+br2=ch3br+hbr which type of reaction does this equation represent