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how to find valency of a compound using atomic number

Akhil Krishna , 9 Years ago
Grade 9
anser 1 Answers
kuntal nath

Last Activity: 9 Years ago

first fill up the octet with that atomic number and and see what more number of electrons exceed 8 or less than 8. for example atomic number of sodiam is 11 arranging in octet 2,8,1 and valency is 1

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