There are eight protons in an oxygen atom and one proton in a hydrogen atom. what are these number called? a: periodic table b: mass number c: atomic number

Why do cells appear different in distilled water than they do in 10% salt water?

To apply in a gold the individual gold atoms are united to each other by means of a metallic bond. how would you use the gold block to determine the atomic radius of a gold atom?

If an atom has 12 protons and 13 neutrons