Question

What does $2H_{2}O$ represent?

• A. 4 molecules of water
• B. 5 atoms in total
• C. 6 atoms in total or 2 molecules of water
• D. 4 atoms in total or 2 molecules of water

Answer 1

The correct option is C

6 atoms in total or 2 molecules of water

$2H_{2}O$ contains 6 atoms in total(4 atoms of hydrogen and 2 atoms of oxygen) or 2 molecules of water.