Matter and Atoms PS3 PS4. Make 4 Square ProtonNeutron ElectronQuarks and Isotopes.

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Presentation transcript:

Matter and Atoms PS3 PS4

Make 4 Square ProtonNeutron ElectronQuarks and Isotopes

Matter Has mass and volume (takes up space) Simplest whole piece of matter is the atom

Atom – 3 parts Electron Neutron Proton

Has positive charge Is in the nucleus Has mass Discovered by Rutherford

Neutron No charge Is in the nucleus Has mass Discovered by Chadwick

Electron Negative charge Has almost no mass Discovered by Thompson

Quarks These are sub – atomic particles They make up protons and neutrons Do not exist on their own

The Atom

Elements Pure Only one type of atom About a hundred (92) Periodic table

Element ID Symbol Atomic Number – the number of protons in the nucleus Mass number – its “weight”. Mass of neutrons and protons

Isotopes Elements that are not “normal” Have a different amount of neutrons than the “real” element Tend to be radioactive