A.atomic mass(a)=16
atomic mass(b)=18
b.a and b are isotopes
c.(a)=2,6
(b)=2,6
The atomic symbol for Iron is Fe, as the Latin word for Iron is <em>ferrum</em>.
8 protons are in the nucleus
The answer is A it's a basic because once you add another substance to a neutral it either becomes acidic or basic. this one becomes basic because the hydroxide ion concentrate increased.