Why does a primary alochol have a higher boiling point than a secondary alcohol?

Hydrogen bonds are much more stronger than these, so more energy is required to seperate alcohol molecules then to seperate alkane molecules.

Hope this helps

C) electrons encircling a nucleus with neutrons and protons

You use the atomic number to find out how many protons and neutrons there are in the atom. you use the atomic mass to find out how many protons and electrons there are in the atom.