Science Unit 2 Grade 9 > Topic 1 > Flashcards

Topic 1 Flashcards

(5 cards)

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1
Q

Chemistry

A

The sutdy of matter and the changes it undergoes

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2
Q

Matter

A

snything that has mass and occupies space

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3
Q

Mixtures

A

Homogeneous- particles uniformely scattered

Heterogenous- particles not uniformely scattered

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4
Q

Pure Subtances

A

Element- 1 type of atom

Compund - 2 atoms fused together to create one particle

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5
Q

Special Mixtures

A

Suspensions- particlesa re uniformely scattered, but once left they will seperate
Colloid- fine particles scattered in a second substance( depends on particle size, solubility and miscobility)\
Emulsions- Colloids where liquids are in liquids

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Science Unit 2 Grade 9
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