Question

17) where would you locate the element with electronic configuration 2, 8 in the Modern Periodic Table? (A) Group 8 (B) Group 2 (C) Group 18 (D) Group 10 18) Which of the following is the outermost shell for elements of period 2? (A) K shell (B) L shell (C) M shell (D) N shell 19) Which of the following elements exhibit maximum number of valence electrons? (A) Na (B) Al (C) Si (D) P 20) Which of the following is the correct increasing order of the atomic radii of O, F and N? (A) O, F, N (B) N, F, O (C) O, N, F (D) F, O, N 21) Which among the following elements has the largest atomic radii? (A) Na (B) Mg (C) K (D) Ca

Answer 1

Explanation:

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L-shell

k

Answer 2

Answer:

L shell

Explanation:

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