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Pick the wrong statement from the following. 

a. Elements with atomic number 5 belong to group 15. 

b. Electronic configuration of scandium (Atomic number 21) is 2,8,8,3. 

c. d-block elements are known as transition elements. 

d. All s-block elements are metals.

1 Answer

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Best answer

a. Wrong. It belongs to group 13. 

b. Wrong. Electronic configuration 2,8,9,2 (1s2 , 2s2 , 2p6 , 3s2 , 3p6 ,3d1 , 4s2

c. Correct . 

d. Correct

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