Chapter 1: States Of Matter (Chemistry)
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8 Terms
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What is matter?
A substance that has mass and occupies space
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What is matter made up of?
Tiny particles that are in a random constant motion
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Matter can change from one state to another when it is…
Heated or cooled
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Are the changes of state reversible or irreversible?
Reversible
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What is melting point?
The temperature at a which solid melts or changes to liquid
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What is freezing point
The temperature at which a liquid freezes or changes into solid
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What is boiling point
The temperature at which a liquid boils or changes into gas
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At -200°C, which substance is in the liquid state
Oxygen
Note 
Flashcards (58)