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Q.

Is it true that sodium atoms have 11 electrons but 12 neutrons but it has no charge on it?

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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is true.
Sodium atoms have 11 electrons but 12 neutrons but sodium has no charge on it.
Atomic number of the element is defined as the number of protons present in the nucleus of an atom. This atomic number is equal to the number of electrons present around the nucleus because the atom is electrically neutral. When the neutron number is increased, only the mass number is changed and the neutron does not contain any charge on it.
 
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