Electronic configuration of same elements are given. Write answers to the following questions.
i. $[N e] 3 s^{2}$
ii. $[A r] 3 d^{2}, 4 s^{2}$
iii. $[X e] 6 s^{2}$
iv. $[N e] 3 s^{2}, 3 p^{2}$
Which element shows the possibility of $+ 2$ oxidation state?

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Solution

i. $[N e] 3 s^{2} \to_{12} M g$
ii. $[A r] 3 d^{2}, 4 s^{2} \to_{22} T i$
iii. $[X e] 6 s^{2} \to_{56} B a$
iv. $[N e] 3 s^{2}, 3 p^{2} \to_{14} S i$

all element has the possibility to show $+ 2$ oxidation state except $[N e] 3 s^{2}, 3 p^{2} \to_{14} S i$ .

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Similar questions

Q. The electronic configuration of four elements are:

(i) [X e] {6 s}^{1}

(i i) [X e] {4 f}^{14}, {5 d}^{1} {6 s}^{2}

(i i i) [A r] {4 s}^{2} {4 p}^{3}

(i v) [A r] {3 d}^{7}, {4 s}^{2}

Which one of the following statements about these elements is not correct?

Q. (i) Write the electronic configurations of the following ions: (a)

H^{-} (b) {N a}^{+} (c) O^{2 -} (d) F^{-}

.
(ii) What are the atomic numbers of elements whose outermost electrons are represented by

(a) {3 s}^{1} (b) {2 p}^{3}

and

(c) {3 d}^{1}

?
(iii) Which atoms are indicated by the following configurations ?
(a)

[H e] 2 s^{1}

(b)

[N e] {3 s}^{2} {3 p}^{3}

(c)

[A r] {4 s}^{2} {3 d}^{1}

Question 22

Amongst the following elements whose electronic configuration are given below, the one having the highest ionisation enthaply is

(a) $[N e] 3 s^{2} 3 p^{1}$

(b) $[N e] 3 s^{2} 3 p^{3}$

(d) $[A r] 3 d^{10} 4 s^{2} 4 p^{3}$

Q. Which is the last element in the series of the actinoids? Write the electronic configuration of this element. Comment on the possible oxidation state of this element.

Amongest the elements with following electronic configurations,which one of them may have the highest ionization enthalpy?1.Ne[3s2 3p1]2.Ne[3s2 3p3]3.Ne[3s2 3p2]4.Ar[3d10 4s2 4p3]

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Electronic configuration of same elements are given. Write answers to the following questions.i. [Ne]3s2ii. [Ar]3d2,4s2iii. [Xe]6s2iv. [Ne]3s2,3p2Which element shows the possibility of +2 oxidation state?

i. [Ne]3s2→ 12Mgii. [Ar]3d2,4s2→ 22Tiiii. [Xe]6s2→ 56Baiv. [Ne]3s2,3p2→ 14Siall element has the possibility to show +2 oxidation state except [Ne]3s2,3p2→ 14Si.

Electronic configuration of same elements are given. Write answers to the following questions.
i. $[N e] 3 s^{2}$
ii. $[A r] 3 d^{2}, 4 s^{2}$
iii. $[X e] 6 s^{2}$
iv. $[N e] 3 s^{2}, 3 p^{2}$
Which element shows the possibility of $+ 2$ oxidation state?

i. $[N e] 3 s^{2} \to_{12} M g$
ii. $[A r] 3 d^{2}, 4 s^{2} \to_{22} T i$
iii. $[X e] 6 s^{2} \to_{56} B a$
iv. $[N e] 3 s^{2}, 3 p^{2} \to_{14} S i$

all element has the possibility to show $+ 2$ oxidation state except $[N e] 3 s^{2}, 3 p^{2} \to_{14} S i$ .