A) 138 protons and 88 neutrons
B) 138 neutrons and 88 protons
C) 226 protons and 88 electrons
D) 226 neutrons and 138 electrons
Correct Answer: B
Solution :
[b] \[_{z}{{X}^{A}}{{=}_{88}}R{{a}^{226}}\] |
Number of protons = Z = 88 |
Number of neutrons \[=A-Z=226-88=138\]. |
You need to login to perform this action.
You will be redirected in
3 sec