What is the chemical symbol for water?
- A. H2O ✓
- B. CO2
- C. O2
- D. NaCl
Correct answer
A. H2O
Explanation
Water is a compound of two hydrogen atoms and one oxygen atom, written as H2O. It is essential for all known forms of life.
A. H2O
Water is a compound of two hydrogen atoms and one oxygen atom, written as H2O. It is essential for all known forms of life.