Answer:
i) 17 A
ii) 19 B
iii) 10 C
Explanation:
17 atomic configuration 2+8+7 so the last one is neither one two or three, not 8 so it's neither non metal nor inert
19 electronic configuration 2+8+8+1 it has 1 electron in the last shell so it's metal
10 electronic configuration 2+8 so it's inert as it's stable because it has 8 electrons in it's last shell
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Answers & Comments
Answer:
i) 17 A
ii) 19 B
iii) 10 C
Explanation:
17 atomic configuration 2+8+7 so the last one is neither one two or three, not 8 so it's neither non metal nor inert
19 electronic configuration 2+8+8+1 it has 1 electron in the last shell so it's metal
10 electronic configuration 2+8 so it's inert as it's stable because it has 8 electrons in it's last shell