2.1 Electrons, Protons, Neutrons, and Atoms
Hydrogen H 1
Helium He 2
Lithium Li 3
Beryllium Be 4
The main difference between gas pressure and vapour pressure is that gas pressure is exerted by the gases above the surface of a substance whereas vapour pressure is exerted by liquids above the surface of a substance
Fluorine in compounds is always assigned an oxidation number of -1
D because it’s not going into then air or to the clouds
No because pepperoni pizza is an object.
