5/6 Chemistry & Physics - Lesson 3

The smallest particle of an element that still keeps the properties of that element.

• Molecule
• Compound
• Ion
• Atom

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Elements found in nature and made by God.

• Synthetic Elements

• Chemical Reaction

• Compounds

• Naturally Occurring Elements

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Man made elements that eventually decay or die out.

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Contains at least two different elements combined.

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People that mixed lots of stuff together to make new things back in the olden days.

• Alchemists

• Artisans

• Chemists

• Physicians

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Some atoms are attracted to each other, and some are repelled by each other. This is called a ____________.

• magnetism
• electron

• charge

• force

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The two types of electrical charges are

Positively charged particles inside of an atom.

• Protons
• Nuclei
• Electrons
• Neutrons

Negatively charged particles inside of an atom.

• Protons
• Neutrons
• Photons
• Electrons

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The number of protons an atom has is so important that it has a name: the