Q10 of 149 Page 210

What name is given to those atoms which contain the same number of protons and electrons but different number of neutrons?

Those atoms which contain the same number of protons and electrons but different number of neutrons are named as isotopes.


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8

State one use of radioactive isotopes in industry.

 9

State whether the following statement is true or false:

Radioactive isotope of iodine is used for making the medicine called tincture iodine.

 11

What is the relationship between an atom containing 11 protons, 11 electrons ad 11 neutrons, and another atom containing 11 protons, 11 electrons and 12 neurtrons?

 12

What name is given to the pair of atoms such as?