Question

b. Alkaline earth metals have valency
2. This means that their position in
the modern periodic table is in ....
(i) Group 2
(ii) Group16
(iii) Period 2
(iv) d-block
c. Molecular formula of the chloride
of an element X is XCI. This
compound is a solid having high
melting point. Which of the
following elements be present in
the same group as X.
(i) Na (ii) Mg (iii) Al (iv) Si
28
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Answer 1

Answer:

Nacl

Explanation:

Na+ ion cl- ion

Nacl