The electronic configuration of element X is K, L, M
2, 8, 2
What is the number of valence electrons of the element X?

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Solution

Valence electrons are the electrons which are present in the last shell of the atom.
The element X has 2 electrons in its last shell, therefore, it has 2 valence electrons.

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The electronic configuration of element X is K, L, M 2, 8, 2What is the number of valence electrons of the element X?

Valence electrons are the electrons which are present in the last shell of the atom.The element X has 2 electrons in its last shell, therefore, it has 2 valence electrons.

The electronic configuration of element X is K, L, M
2, 8, 2
What is the number of valence electrons of the element X?

Valence electrons are the electrons which are present in the last shell of the atom.
The element X has 2 electrons in its last shell, therefore, it has 2 valence electrons.