If an atom gains two electrons in a chemical reaction, what is its charge?
a
question 4 options:
a.-2
b.-1
c.+2
d.+1

This is what i found on google “according to the collision theory, the following criteria must be met in order for a chemical reaction to occur: molecules must collide with sufficient energy, known as the activation energy, so that chemical bonds can break. molecules must collide with the proper orientation.” i hope this information you.

He can play two games. 13/4=3.253.25*2=6.5