Grade 4 molecue
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Molecular theory
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Transcript of Grade 4 molecue
Molecular theory
1.The matter is made up of very small units which are invisible to the human eyes.
Each kind of matter has billions of molecules which are identical.
Molecules move.
Atom has Nucleus and orbits
Structure of an atom
Atom is mostly empty space
Iron
Carbon
Hydrogen
Calcium
Nitrogen
Oxygen