Write the chemical symbols for three different atomic cations that all have 5 protons?

The atom having 5 proton (B) atom when a boron become cations , the numbers of protons is still 5 no mater how many electrons are lost . therefor , the three different atomic cations that all have 5 protons: B+,B2+ and B3+

Adozen is 1221/12 = 1.751.75 x 12 = 21therefore, 1.75 is the answer.

Deposition is the transition of matter going from gas to solid without passing through the liquid phase.a.) gas—-> solid