Question

Write down the characteristics of the elements having atomic number 17.
Electronic configuration
Period number
Group number
Element family
No. of valence electrons
Valency
Metal or non-metal​

Answer 1

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Answer:

element 17 is chlorine

electronic configuration - 2,8,7

period number - 3

group number - 17

element family - halogens

number of Valence Electrons - 7

valency - 1

non-metal

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Answer 2

Answer:

The element which ha atomic number 17 is Chlorine (Cl).

Electronic configuration :-

Its general electronic configuration us 2, 8, 7.

$1 {s}^{2} \: 2 {s}^{2} 2 {p}^{6} \: 3 {s}^{2} 3 {p}^{5}$

Period number = It belongs to 3rd period.

Group Number = It belongs to 17th group.

Element family :-

It belongs to halogen family or halogens.

Number of valence electrons:-

It has 5 valence electrons in its outermost shell.

Valency :- Its Valency is 1.

Metal or non metal:-

It is a non metal.

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