Chemistry, 05.10.2020 03:01 econsta3

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
OC. 30
OD. 0
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...