Question

Question 5
31
(a) (b) What do you understand by the term isotopes?
(ii) Why do isotopes of an element possess identical chemical properties?
(iii) Name the isotope of hydrogen which does not have a neutron in it.
(b) State the type of covalent bonding in the following molecules:
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(i) Chlorine
(ii) Nitrogen
(iii) Oxygen
How would you distinguish between the following pairs of substances on the
(c)
basis of the chemical tests given in brackets?
(1) Sodium Chloride and Potassium Chloride (flame test)
(ii) Zinc Carbonate and Lead Carbonate (dry heating)​

Answer 1

Answer:    ii

Explanation:     Different isotopes of an element generally have the same physical and chemical properties because they have the same numbers of protons and electrons.

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