5 Questions
What is a molecule composed of?
Atoms that are chemically bonded together
What is a characteristic of a molecular substance?
It is composed of molecules all of which are alike
What information does a molecular formula provide?
The exact number of different atoms of an element in a molecule
How many oxygen atoms are in a molecule of hydrogen peroxide?
Two
What is the molecular formula for hydrogen peroxide?
H2O2
Study Notes
Molecular Structure
- A molecule is a group of atoms that are chemically bonded together, tightly connected by attractive forces.
Molecular Substances
- A molecular substance is a substance composed of molecules that are all alike.
Molecular Formula
- A molecular formula gives the exact number of different atoms of an element in a molecule.
- The molecular formula for hydrogen peroxide is H2O2, which indicates that the molecule contains two hydrogen atoms and two oxygen atoms chemically bonded.
Learn about molecules, molecular substances, and molecular formulas. Understand how to determine the molecular formula of a substance, like hydrogen peroxide.
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