The Wonders of Water

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5 Questions

What is the chemical formula of water?

H2O

What is the angle between the hydrogen atoms and the oxygen atom in a water molecule?

104.45°

What percentage of Earth's surface is covered by water?

71%

In what forms does water exist on Earth due to its relatively close environment to the triple point?

Solid, liquid, and gas

What is the name of the liquid state of H2O at standard temperature and pressure?

Water

Study Notes

Water Facts

  • The chemical formula of water is H2O.
  • The angle between the hydrogen atoms and the oxygen atom in a water molecule is 104.5 degrees.
  • Approximately 71% of Earth's surface is covered by water.

Forms of Water on Earth

  • Due to its relatively close environment to the triple point, water exists on Earth in three main forms: solid (ice), liquid (water), and gas (water vapor).
  • The liquid state of H2O at standard temperature and pressure is simply known as water.

Water Chemistry Quiz: Test your knowledge of the properties and importance of H2O in the natural world. Explore its chemical formula, characteristics, and role as a solvent in living organisms.

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