Question

2. Water (consist) of hydrogen and oxygen.​

Answer 1

Explanation:

A water molecule is made up of two hydrogen atoms and one oxygen atom. A single oxygen atom contains six electrons in its outer shell, which can hold a total of eight electrons. When two hydrogen atoms are bound to an oxygen atom, the outer electron shell of oxygen is filled.

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Answer 2

YES.

2 ATOMS OF HYDROGEN+1 ATOMS OF OXYGEN

=H2O (WATER)