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Questions and Answers
What is the chemical formula of water?
What is the chemical formula of water?
What percentage of the Earth's surface is covered by water?
What percentage of the Earth's surface is covered by water?
In what forms does water exist on Earth?
In what forms does water exist on Earth?
What does the chemical formula H2O indicate about water's molecular composition?
What does the chemical formula H2O indicate about water's molecular composition?
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What is the name of the liquid state of H2O at standard temperature and pressure?
What is the name of the liquid state of H2O at standard temperature and pressure?
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Study Notes
Water Basics
- The chemical formula of water is H2O.
- Approximately 71% of the Earth's surface is covered by water.
Forms of Water
- Water exists on Earth in three main forms: solid (ice), liquid (water), and gas (water vapor).
Molecular Composition
- The chemical formula H2O indicates that one molecule of water consists of two hydrogen atoms and one oxygen atom.
States of Water
- The liquid state of H2O at standard temperature and pressure is simply referred to as water.
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Description
Test your knowledge of water's chemical properties, importance in the environment, and role as a solvent in living organisms.
