1) The electrons of which pair of subshells (also called sublevels) make up the

Question

1) The electrons of which pair of subshells (also called sublevels) make up the octet of valence electrons?

(a)1p and 2p (b) d and f (c) d and f (d) 3p and 3d (e) None

2) The electrons of which pair of subshells (also called sublevels) make up the octet of valence electrons?

(a)2p and 2p (b) d and s (c) d and f (d) 3p and 3d (e) None

3) The electrons of which pair of subshells (also called sublevels) make up the octet of valence electrons?

(a)2p and 2p (b) d and f (c) s and f (d) 4p and 3d (e) None

4) The electrons of which pair of subshells (also called sublevels) make up the octet of valence electrons?

(a)3p and 2p (b) d and f (c) s and f (d) 4p and 4d (e) None

5) The electrons of which pair of subshells (also called sublevels) make up the octet of valence electrons?

(a)3p and 2p (b) 3d and f (c) s and f (d) 4p and 3d (e) None

For example: The electrons of which pair of subshells (also called sublevels) make up the octet of valence electrons?

Ans: s and p

Explanation / Answer

In first question option (e) none is correct because d and f subshell does not satisfy octet rule, 1p does not exist

In second question option (a) 2p and 2p is correct because both are satisy octet rule remaing options have d or f sub shell

In third question option (a) 2p and 2p is correct because both are satisy octet rule remaing options have d or f sub shell

In fourth question option (a) 3p and 2p is correct because both are satisy octet rule remaing options have d or f sub shell

In fifth question option (a) 3p and 2p is correct because both are satisy octet rule remaing options have d or f sub shell

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