Answer the following questions. (Any one) (5)
1) On the basis of electronic configuration around the nucleus, how will you identify?
i. Chemically Similar Elements.
ii. First Elements of A Period.
iii. It belongs to Alkali Metals
iv. A Group of Halogen.
v. A Group of inert Gases.
Answers
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i. chemically similar elements have similar outer electronic configuration
ii. first element of a period has only s electrons .. they are present in k shell
iii. alkali metals have 1 electron in their Valence shell or outermost shell..
iv. halogens has 7 electrons in their Valence shell.
v. inert gases have completely filled Valence electron.
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