gom21van gom21van

Today at 9:21 PM
Chemistry

Answered

An element has atomic number 10 and an atomic mass of 20. How many neutrons are in the atom of this element?
Ο Α. 10
Ο Ο
Oc. 30
OD. O
ΟΕ. 200

Answer :

johnlloydganir johnlloydganir

Today at 9:26 PM

A.10
20-10=10
Therefore 10 neutrons

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