(a) What are isotopes ? Explain by giving an example.
(b) Give one similarity and one difference between a pair of isotopes.
(c) Give the number of protons, neutrons and electrons per atom in the two isotopes of chlorine Cl3517 and Cl3717.
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Isotope, atomic number is same, mass number is different, element is same, neutron is different
35. 37
Cl. Cl
17. 17
proton= 17. proton= 17
electron= 17. electron= 17
neutron= 18. neutron= 20
Explanation:
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