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25 Cards in this Set
- Front
- Back
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What is a physical change? |
any change not involving a change in the substance's chemical identity |
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What is a chemical change? |
any change that results in forming a new chemical substance |
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At a molecular level, what does chemical change involve? |
making or breaking of bonds between atoms |
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Particles in a SOLID |
Particles are tightly packed together and are usually arranged in a pattern |
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Particles in a LIQUID |
Particles are close together with little space to move. |
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Particles in a GAS |
Particles are loose, can freely move |
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Liquid to Gas |
Evaporation |
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Liquid to Solid |
Freezing |
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Gas to Liquid |
Condensation |
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Gas to Solid |
Deposition |
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Solid to Gas |
Sublimation |
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Solid to Liquid |
Melting |
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Define Atom |
smallest particle of an element that can exist |
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Define Atom |
smallest particle of an element that can exist |
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Define Element |
substance made up of atoms which all have the same number of protons |
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Define Atom |
smallest particle of an element that can exist |
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Define Element |
substance made up of atoms which all have the same number of protons |
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Define Molecule |
a group of atoms bonded together, smallest unit of a chemical compound in a chemical reaction |
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Define Atom |
smallest particle of an element that can exist |
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Define Element |
substance made up of atoms which all have the same number of protons |
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Define Molecule |
a group of atoms bonded together, smallest unit of a chemical compound in a chemical reaction |
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Define Compound |
two or more elements chemically bonded together |
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Properties of Metals |
High Density Strong Bend without breaking |
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Properties of Metals |
Shiny High Density Strong Bend without breaking |
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Properties of Non-Metals |
Dull Colour Low Density Weak Break when hammered |
