What happens when a given amount of gas at a constant temperature
increases in volume?
o a. the gas pressure decreases.
ob. the gas pressure remains constant.
oc. the number of gas molecules increases.
o d. the number of gas molecules decreases.

Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.