Answer:
The mass number is 56
Explanation:
You just add the number of protons and neutrons to find the mass number of a atom.
answer: The atoms of different elements all have different numbers of protons. Meanwhile, the mass number of an atom consists of the total number of protons and neutrons it contains
Explanation:
<span>Rana sylvatica.
Hope this helps!
-Payshence xoxo</span>
<span>
It's solar, because s</span>olar energy is a renewable resource that is virtually endless as long as the sun shines.<span />
