Question

work sheet

choose the correct

1. Ozone is a substance that is made of _________oxygen atoms chemically combined up

2 A molecule which contains two atoms is called two atoms is called molecule ________

3 Each molecule of water consists of called molecule.____________

4 _________is the only metal that is liquid at room cumperkiture​

Answer 1

Answer:

hydrogen

compound

H2O

Steel

I hope this helps you

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Answer 2

Answer:

1. three

2. diatomic molecule

3. 2 atoms of hydrogen and 1 atom of oxygen

4. mercury