Question

What is the ratio by number of atoms of hydrogen and oxygen in water?

1. 2:3
2. 2:1
3. 3:2
4. 1:4​

Answer 1

Explanation:

2:3 is ratio by number of atoms of hydrogen and oxygen in water

Answer 2

Answers

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Explanation:

Electron configuration: O: 2,6

Each oxygen atom contributes 2 electrons for sharing

Electron configuration of H:1

Each hydrogen atom contributes 1 electron for sharing

Hence tow hydrogen atoms are needed to contribute a total of 2 electrons for sharing.

Two single bonds are formed between the oxygen and hydrogen atoms.

the ratio of H and O is 2:1