English, asked by Manvithpj, 6 months ago

The valency of an element whose electronic configuration is 2, 8, 3.

Answers

Answered by krrisanu
3

Answer:

Aluminium

Aluminium is an element with valency is 3 having the electronic configruration is 2, 8, 3.Aug 16, 2018

Explanation:

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Answered by prajeevan
1

The electronic configuration of an element x is : 

K              L               M

2               8              6

a) What is the group no. element x in the periodic table?

b) What is the period no. of element x is the period table ?

c) What is the number of valence electrons in an atom of x ?

d) What is the valency of x ?

e) Is the element x, a metal or a non-metal ?

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Structure of Atom

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The electronic configuratio...

CHEMISTRY

Asked on December 20, 2019 byBhavin Madan

The electronic configuration of an element x is : 

K              L               M

2               8              6

a) What is the group no. element x in the periodic table?

b) What is the period no. of element x is the period table ?

c) What is the number of valence electrons in an atom of x ?

d) What is the valency of x ?

e) Is the element x, a metal or a non-metal ?

ANSWER

(a) Since, it has 6 valence electrons, it belongs to group no. 16.

(b) It has 3 Valence shells, so it belongs to period no 3.

(c) The number of valence electron is 6.

(d) The valency of E is 2 because it requires 2electrons to achieve its stability .

(e) It is a non-metal.

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