An element X is in 3rd period and 16th group of the Modern periodic
table. Select the correct statements:
(1) It is a non-metal having valency 6.
(2) It is a non-metal having valency 2.
(3) It will form ionic compound with sodium.
(4) It will form covalent compound with sodium.
(a) Both 1 and 3
Both 1 and 3 (b) Both 2 and 3
(b) Both 2 and 3 (c) Both 1 and 4
(c) Both 1 and 4 (d) Both 2
and 4.
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Answer:
The element that belongs to period 3 and group 16 has valency 2 since it has 2 electrons less to complete octet. Hence the element is sulphur and it is a non-metal.
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