Which is the best reason that the atomic radius generally increases as you go down in each group of elements?
- The nuclear charge increases
-The number of neutrons increases.
- The number of energy level increases
- A new octet forms

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.