What is the number of protons equal to?
The number of protons is equal to the number of electrons in a neutral atom.
What is the atomic number equal to?
The atomic number is equal to the number of protons
What is the atomic mass equal to?
Tomic mass is equal to the number of protons plus the number of neutrons.
What is the group number equal to? (The group number found at the top of each column in the periodic table)
The group number is equal to the number of valence electron this is used when drawing electron dot structures.