6. For which element (IP-IP2<11eV) is found 1) Al 2)Mg 3) Ar 4) none of these

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The $I P_{1}, I P_{2}, I P_{3}, I P_{4}, I P_{5}$ of an element are 7.1, 14.3, 34.5, 46.8, 162.2 eV respectively. Which element among the following would that be?

Q. The

{I P}_{1}, {I P}_{2}, {I P}_{3}, {I P}_{4}

and

{I P}_{5}

of an element are

7.1, 14.3, 34.5, 46.8, 162.2 e V

respectively.

The element is likely to be:

Q. Write down the electronic configuration of the following elements from the given atomic numbers. Answer the following question with explanation.
a. ₃Li, ₁₄He, ₁₁Na, ₁₅P Which of these elements belong to be period 3?
b. ₁H, ₇N,₂₀Ca, ₁₆S, ₄Be, ₁₈Ar Which of these elements belong tot he second group?
c. ₇N, ₆C, ₈O, ₅B, ₁₃Al Which is the most electronegative element among these?
d. ₄Be, ₆C, ₈O, ₅B, ₁₃Al Which is the most electropositive element among these?
e. ₁₁Na, ₁₅P, ₁₇Cl, ₁₄Si, ₁₂Mg Which of these has largest atoms?
f. ₁₉K,₃Li, ₁₁Na, ₄Be Which of these atoms has smallest atomic radius?
g. ₁₃Al, ₁₄Si,₁₁Na, ₁₂Mg, ₁₆S Which of the above elements has the highest metallic character?
h. ₆C, ₃Li, ₉F,₇N, ₈O Which of the above elements has the highest nonmetallic character?

Q. For Ni and Pt different IP in

M J m o l^{- 1}

are given below

(I P)_{1} + (I P)_{2} - ------------- -

(I P)_{3} + (I P)_{4} - ------------- -

N i

2.49

8.80

P t

2.60

6.70

hence,

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