Wanted!!

Helium BY: Nina Brown

About Helium

name: Helium

Atomic number: 2

mass number: 4

protons: 2 neutrons: 2 electrons: 2

valence electrons: 1

group/family number:18

group/family name: noble gases

type of element: non-metal


what is the most common compound created with this element? They exist alone in the Nature