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प्रश्न
Match the symbols of non-metallic elements with their correct combining power or capacity.
(a) O
(b) S
(c) Cl
Combining power or capacity A : 3; B : 2; C : 1. (negative valencies)
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उत्तर
(a) O — Valency-2 (B)
(b) S — Valency-2 (B)
(c) Cl — Valency-1 (C)
संबंधित प्रश्न
What is the significance of the symbol of an element ? Explain with the help of an example.
Fill in the blank:
Symbolic expression for a molecule is called _____.
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State the variable valency of the following metal.
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write symbol with the variable valency
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