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Grade 9 Chemistry Part 1 Test Revie > Review > Flashcards

Review Flashcards

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1
Q

What are the 5 postulates?

A

1: All matter is made of atoms 2: All particles are attracted to each other 3: when particles are hotter they move faster (same other way around) 4: All particles have space between them 5: Particles are always in constant motion

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2
Q

What are pure substances

A

Pure substances are substances with only one kind of particle throughout example Carbon Dioxide (compound) Oxygen (element)

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3
Q

What are mixtures

A

A mixture is a solution of substances that are not all the same. A physical mixing not chemically connected Ex Trail Mix (heterogeneous) Saltwater (homogeneous)

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4
Q

What is an element?

A

One type of atom Ex. Oxygen

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5
Q

Give an example of an element?

A

Oxygen, Helium, Bromine

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6
Q

Give an example of a solution?

A

A solution is just a mixture

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7
Q

What is a heterogeneous mixture?

A

Substances are not evenly distributed (you can see the difference)

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8
Q

What is a homogenous mixture?

A

Substances are evenly distributed (if you have salt water you will get an even amount of salt and water)

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9
Q

Give an example of a compound?

A

Multiple pure substances chemically bonded (carbon dioxide)

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10
Q

What is the acronym for qualitative properties?

A
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11
Q

What is the acronym for chemical properties?

A
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12
Q

How are hardness and brittle properties different?

A
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12
Q

Provide an example of lure?

A
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13
Q

Provide an example of hardness?

A
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14
Q

Provide an example of chemical properties?

A
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15
Q

Define: combustibility

A
16
Q

Define: stability

A
17
Q

Define: toxicity

A
17
Q

Give three examples of combustibility

A
18
Q

Give three examples of stability

A
19
Q

Give three examples of toxicity?

A
20
Q

Mass vs. volume

A
21
Q

The volume of a Can of YOGURT MCYOYO is 500 ml^3 and the density of YOGURT MCYOYO is 400 mg - what is its mass?

A
22
Q

Eric is 600 kg, and he has a volume of 1500 g^3 how dense is this unit of a human?

A
23
Q

Describe chemical changes?

A
24
Q

Describe the distinction between chemical and physical change?

A
25
Q

Law of Conservation?

A
26
Q

Can the state of matter change?

A
27
Q

Describe 3 physical changes?

A
28
Q

Explain why a chemical change causes NO change in mass

A

Grade 9 Chemistry Part 1 Test Revie (1 decks)

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