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The P-Block Elements

Question
CBSEENCH12006902

State whether the following statements are true (T) or false (F):

A.

Argon is the most abundant noble gas in the atmosphere.

B.

Sulphur, phosphorus and oxygen are the element which shows allotropy.

C.

XeF4 molecule has a tetrahedral shape.

D.

Among halogens, F2 has a lowest bond dissociation enthalpy.

E.

Among all the halogens, only iodine forms polyhalide ion.

Solution
A. TRUE
B. TRUE
C. FALSE
D. TRUE
E. TRUE