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Pick out the correct statements about ch...

Pick out the correct statements about chlorine atom.
(a) Chlroine is more electronegative atom
(b) Chlorine atom belongs to Halogan family
C) Its valency is +2
(d) The atomic number is chlorine is 17

A

c

B

a,b,c

C

a,c

D

a,b,d

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BEYOND PUBLICATION-CLASSIFICATION OF ELEMENTS THE PERIODIC TABLE-EXERCISE
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  12. Which of the following is correct with respect to size ?

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  17. Which of the following atomic numbers belongs to same period ?

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