Identify and name the metal whose electronic configuration is given below.
2.8.1

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Solution

2,8,1
Name of the element - Sodium
Atomic number - 2+8+1 = 11
Metal/ Non Metal - Metal
Number of valence electrons - 1

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Metal A has electronic configuration of 2, 8, 1 and metal B has 2, 8, 8, 2 which is more reactive. Identify these metals and give their reactions with dil HCl.

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Q. Question 37

Identify and name the metals out of the following elements whose electronic configurations are given below.

(a) 2, 8, 2
(b) 2, 8, 1
(c) 2, 8, 7
(d) 2, 1

Metal

A

has electronic configuration of

2, 8, 1

and metal B has electronic configuration of

2, 8, 2

Identify these metals:

Give the name and the electronic configuration of the second alkali metal.

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Identify and name the metal whose electronic configuration is given below. 2.8.1

2,8,1Name of the element - SodiumAtomic number - 2+8+1 = 11Metal/ Non Metal - MetalNumber of valence electrons - 1

Identify and name the metal whose electronic configuration is given below.
2.8.1

2,8,1
Name of the element - Sodium
Atomic number - 2+8+1 = 11
Metal/ Non Metal - Metal
Number of valence electrons - 1