Answer:
Explanation:
mass number = 19 + 20 = 39 (protons + neutrons)
The charge is 0. This is an atom
The symbol = K
Protons: 19
Electrons: 19
Neutrons: 20
Answer:
aa
Explanation:
There is a lowercase a on both sides.
Answer:
I Would bc it's the better opportunity
Lithium-7 is the most common isotope of lithium.
