A) \[_{4}^{9}Be\]
B) \[_{4}^{9}F\]
C) \[_{4}^{9}B\]
D) \[_{4}^{9}O\]
Correct Answer: A
Solution :
The atomic number of the atom is 4 as it has \[4\,\,p\] in its nucleus. The mass number of the atom is \[5+4=9\].The element is\[Be\].You need to login to perform this action.
You will be redirected in
3 sec