A) \[37\]
B) \[38\]
C) \[9\]
D) \[22\]
Correct Answer: B
Solution :
Here: Number of electrons or protons\[=18\] and number of neutrons\[=20\]. We know that mass number = No. of electrons or protons + number of neutrons\[=18+20=38\].You need to login to perform this action.
You will be redirected in
3 sec