Question

name the elements water is made of .what are the valencies of these elements? work out the chemical formula for water.

Answer 1

H2O is the chemical formula

Answer 2

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(1)The Elements from which the water is made of.....

Hydrogen and Oxygen....

(2)Their valencies are...
Hydrogen +1. , Oxygen -2..

(3).. Formula of Hydrogen dioxide
H2O..

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