Correct Answer - Option 2 : Two hydrogen atom and one oxygen atom
Water:
Water is an inorganic, transparent, tasteless, odorless, and nearly colorless chemical compound. This the main constituent of Earth’s hydrosphere and the fluid of most living organisms.
Chemical formula: H2O (Two Hydrogen and one oxygen atom)
Molar mass: 18.01528 g/mol
Density: 997 kg/m3
Boiling point: 100°C
Melting point: 0°C