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Language of Chemistry — CHEMISTRY STD 9 — Question

ICSE BoardEnglish MediumSTD 9CHEMISTRYLanguage of Chemistry1 Mark
Question
What do you understand by the term valency?
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Answer

Valency is defined as combining power of an element with other atom to form chemical bond. Valency refers to electron in outer shell of an atom. Example, Na(2,8,1) Valency of Na is 1.

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