Chemistry notes

35.5 ---------> atmoic mass

Cl

17 ----------> atomic number

Q1) EXPLAIN THE NUMBER OF PROTONS, NEUTRONS, ELECTRONS IN CHLORINE

The bottom number is called the atomic number which is the number of protons. electrons are the same because it is neutral. electrons are negative so you need the same number to cancel it out. 

The relative atomic mass is a WEIGHTED AVERAGE of all…