What happens when nitrogen fills its valence shell? A) Three electrons are gained, creating N−3.

B) Three electrons are gained, creating N+3.

C) Three electrons are lost, creating N−3.

D) Three electrons are lost, creating N+3

What effect does a decrease in temperature have on the overall rate of a chemical reaction? a decrease in temperature decreases . the reaction rate will

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here

Which electron configuration represents the electrons in an atom of sodium in the ground state at stp