Some of the Periodic Table of Elements by adding 1 proton.

1 proton = Hydrogen
2 protons = Helium
3 protons = Lithium
4 protons = Beryllium
5 protons = Boron
6 protons = Carbon
7 protons = Nitrogen
8 protons = Oxygen

9 protons = Fluorine

10 protons = Neon