age No 55:
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
(a) the same physical properties |
|
(b) different chemical properties |
|
(c) different number of neutrons |
|
(d) different atomic numbers |
|
Isotopes of an element have
