Math, asked by bijaysahu82244, 8 months ago

M is a metal present in the 3rd period of the periodic table. M has 2 valence electrons, write the electronic configuration of M ( with explanation)

Answers

Answered by gnani1563

1

Answer:

the metal M is magnesium

it's electronic configuration is 1s^2 2s^2 2p^6 3s^2

it's outermost shell is 3s the electrons in it are called valency electrons

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