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Atom – Basic unit of matter. Made of: PowerPoint PPT Presentation


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Atom – Basic unit of matter. Made of:. Protons – positive (+) charge Neutrons – neutral (no) charge Electrons – negative (-) charge. Atomic Number – The number of protons in the nucleus. Element – All of the atoms in a substance are alike. (Gold, Silver, Copper, Aluminum).

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Atom – Basic unit of matter. Made of:

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Atom basic unit of matter made of

Atom –

Basic unit of matter. Made of:

Protons – positive (+) charge

Neutrons – neutral (no) charge

Electrons – negative (-) charge

Atomic Number –

The number of protons in the nucleus


Atom basic unit of matter made of

Element –

All of the atoms in a substance are alike.

(Gold, Silver, Copper, Aluminum)

Compound –

Different atoms or elements combine to make a substance.

(Salt, water, sugar, plastics)


Atom basic unit of matter made of

electron

neutron

proton

Valence electrons –

Electrons in the outer shell.

Ions – Charged atoms

Has either extra or lack of electrons.

Free electrons – Electrons not around the nucleus any longer

This is what we see as ELECTRICITY!


Atom basic unit of matter made of

Static Electricity – (electrostatic energy)

When there are no movement of electrons from one object to another. (Magnetism)

http://electronics.howstuffworks.com/photocopier1.htm

Uses:

Car painting

Air Cleaning Filters

Power coating

Abrasive Paper

Electrostatic Printing (Photocopy)


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