Q2 of 23 Page 34

Fill in the blanks with suitable words:

The atomic mass of an atom is 23 and its atomic number is 11. the atom has _________ neutrons.

12

Explanation: Given: Atomic mass = 23


Atomic number = 11


Number of neutrons = atomic mass – atomic number


Number of neutrons = 23 -11


Number of neutrons = 12


Hence, the atom has 12 neutrons.


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