Chemistry, asked by anoopkumarshukla2007, 8 hours ago

why valency of sodium, calcium,and alluminium are 1,2,and 3 respectively​

Answers

Answered by kumkumgoyaltosham
0

Answer:

because they are metals

Answered by Sanshine0812
3

Explanation:

lost or gained from the outer shell of the atom. Sodium loses 1 electron, Magnesium loses 2 and aluminium loses 3, hence their valency is +1, +2 & +3 respectively.

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