ATOMIC NUMBERS & ATOMIC MASS
REWATCH THIS VIDEO IF YOU NEED ANY REMINDING ON HOW TO FIND ATOMIC MASS, ATOMIC NUMBER, PROTONS, NEUTRONS, OR ELECTRONS. ANSWER EACH OF THESE QUESTIONS BASED ON THE ELEMENT PICTURED. 2 2 26 30 13 14 20 20 10 20 6 6 9 10 17 18 11 12