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10th CBSE
IMPORTANT
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Which is the smallest element of third period? (Sodium/ Argon)

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Important Questions on Periodic Classification of Elements
EASY
10th CBSE
IMPORTANT

MEDIUM
10th CBSE
IMPORTANT
Name the following:
An element of group which is solid at room temperature.

EASY
10th CBSE
IMPORTANT
Name the following:
The valency of elements in group .

EASY
10th CBSE
IMPORTANT

EASY
10th CBSE
IMPORTANT

MEDIUM
10th CBSE
IMPORTANT
Name the following:
A greenish yellow gas other than chlorine.

EASY
10th CBSE
IMPORTANT

MEDIUM
10th CBSE
IMPORTANT
Name the following:
The most non-metallic element in the third period.
