831junior 831junior

04-01-2021
Chemistry

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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 element?
OA.
10
OB.
20
O C.
30
D. 0
O E. 200

Respuesta :

matthew7781 matthew7781

05-01-2021

10

subtract the atomic mass from the atomic number

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