Question
Question: The sodium nucleus \({}_{11}^{23}Na\) contains....
The sodium nucleus 1123Na contains.
A
11 electrons
B
12 protons
C
23 protons
D
12 neutrons
Answer
12 neutrons
Explanation
Solution
Number of neutrons
=A−Z=23−11=12.
The sodium nucleus 1123Na contains.
11 electrons
12 protons
23 protons
12 neutrons
12 neutrons
Number of neutrons
=A−Z=23−11=12.