Computer Science, asked by choudharisantosh427, 5 months ago

The horizontally arrangement is called

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Answered by pratikshagaikwad0033

1

Answer:

The horizontal arrangement of elements in the periodic table is called period. ... For example, in 3rd period, first member, Na has one valency electron and the last member.

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Answered by niharikasingh15

1

Answer:

The horizontal arrangement of elements in the periodic table is called period. ... For example, in 3rd period, first member, Na has one valency electron and the last member, Ar, has eight valency electrons..

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