A) 18 and 22
B) 22 and 18
C) 26 and 20
D) 40 and 18
Correct Answer: A
Solution :
\[Ar_{18}^{40}\] = atomic number 18 and no. of Neutron in case of \[A{{r}_{22}}\] Neutron = Atomic mass ? Atomic number \[=40-18=22\]You need to login to perform this action.
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