Choose the correct option · Q23
Q.Which of the atomic number represent the s-block elements?
a. 7, 15
b. 3, 12
c. 6, 14
d. 9, 17
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Start your 14-day free trial to unlock the full solution →Step 1. Recall the s-block definition. Section 7.3.3/7.4.1: the s-block comprises only groups 1 and 2.
Step 2. Identify each option's elements. (a) 7,15 = N, P — both group 15, p-block.
(b) 3,12 = Li (group 1), Mg (group 2) — both s-block.
(c) 6,14 = C, Si — both group 14, p-block.
(d) 9,17 = F, Cl — both group 17, p-block. …
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