Question

State two reasons for the following facts
i) Sulphur is a non- metal

ii) Magnesium is a metal
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Answer 1

Explanation:

it is a non metal

it is a metal

Answer 2

Explanation:

1 ans. =

1) Number of the valance shell is more than 4 i.e. 6 unlike metal which have valence electrons less than 4.

2)It has tendency to accept electrons.

2ans. =

1) It exhibits lusture.

2) It burns in air to form mgo which is a basic oxide. As metal form basic oxides in air .