Physics, 16.08.2019 19:10 saskiat8549
An element has atomic number 10 and an atomic mass of 20. how many neutrons are in the atom of this element?
a. 10
b. 20
c. 30
d. 0
e. 200
Answers: 1
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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...
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