Chemistry, 19.11.2020 21:00 elijahchloesunshine

An element has atomic number 10 and an atomic mass of 20. How many neutrons are in the atom of this element? OA. 10
OB. 20
Ос.
30
OD
0
O E
200

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An element has atomic number 10 and an atomic mass of 20. How many neutrons are in the atom of this...