Walking is what i think you are talking about
Answer:
Part 1: Sodium and Rubidium.
Part 2:
<u>Protons</u> = 12
reason: protons are equal to the atomic number of an atom. For Magnesium, atomic number is 12.
<u>Neutrons</u><u>:</u><u> </u>

reason: neutrons is given by formula:

where mass number of magnesium is 24.
<u>electrons</u><u>:</u><u> </u>= 12 electrons
reason: Magnesium atom has electrons summing up to 12
Answer:???????????????????????? huh?
Explanation: