Question 16:
Put tick (√) against correct choice and cross (×) against wrong choice in the following question:
Isotopes of an element have
(a) the same physical properties
(b) different chemical properties
(c) different number of neutrons
(d) different atomic numbers
Answer:
Isotopes of an element have
(a) the same physical properties ×
(b) different chemical properties ×
(c) different number of neutrons √
(d) different atomic numbers ×
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