Chemistry, 15.07.2020 02:01, denvontgekingice
The proton, neutron and electrons in the atom of the element represented by the symbol 231Y89 are:
A. 89,231 and 89
B. 142, 89 and 142
C. 89, 142 and 89
D. 89, 320 and 320
Answers: 1
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The proton, neutron and electrons in the atom of the element represented by the symbol 231Y89 are:...
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