Biology, asked by priyanshugawri61, 1 year ago

please answer all questions

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Answered by Nivejoshi107200
1
symbol is a representation of a element
symbol estimates the atomic number and atomic weight
valency is the combining capacity of an element
nh3 specifies the valency of Nitrogen to be 3 and of hydrogen to be 1 and in Cobalt the second letter should not be capital as according to naming of elements

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Answered by sahasharadindu19
0

Answer:9

Explanation:000

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