What is the difference?. Single atom of an element Smallest complete unit of matter Made up of like atoms Pure substance Element.

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Presentation transcript:

What is the difference?

Single atom of an element Smallest complete unit of matter Made up of like atoms Pure substance Element

What is the difference

ALL compounds are molecules but NOT all molecules are compounds 2 or more atoms bonded together Molecule NOT a compound because only 1 type of atom is involved 2 or more different atoms bonded together Compound Molecule

Atom or Element

Single unit Made up of protons, neutrons, electrons Atom Made up of the same atoms Element – electron microscope picture of tungsten

Compound or Molecule

Ozone 3 atoms Same type of atom Molecule Water Composed of Hydrogen and Oxygen, two different atoms Compound – 2 or more different atoms Molecule – 2 or more atoms

Compound or Molecule Electron microscope picture of Caffeine Consists of –Carbon (C) –Hydrogen (H) –Nitrogen (N) –Oxygen (O)

Compound or Element

Pure substance One type of atoms Gold Element Not a pure substance More then one type of atom Sodium Chloride Compound

Atom or Molecule

Molecule of nitrogen gas 2 atoms bonded together Atoms Individual atoms

List the Elements, Compounds, Molecules

N2molecule O2molecule Arelement Neelement Heelement H2element CH4compound, molecule Krelement Xeelement CO2compound, molecule

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