Cami science review Flashcards

1
Q

Physical Property

A

a characteristic of a substance that can be observed and measured using the 5 senses.

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2
Q

Physical Change

A

a change in physical properties, but not in identity.

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3
Q

Chemical Property

A

the way in which a substance reacts.

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4
Q

Chemical Change

A

a change in physical and also in identity.

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5
Q

Viscosity

A

resistance to flow.

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6
Q

Product

A

a substance produced by a chemical reaction.

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7
Q

Reactant

A

a substance combines with another to cause a chemical reaction.

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8
Q

Flammability

A

the ability to burn.

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9
Q

Precipitate

A

a solid that sometimes settles out of solution following a chemical reaction

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10
Q

Mixture

A

a combination of substances that can be separated by physical means.

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11
Q

Compound

A

a substance made of two or more elements chemically combines. Compounds cannot be separated by physical means.

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12
Q

Decomposition Reaction

A

a chemical reaction in which a more complex substance breaks down into simpler substances

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13
Q

Exothermic Reaction

A

a chemical reaction in which energy is released.

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14
Q

Endothermic Reaction

A

a chemical reaction in which energy is absorbed.

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15
Q

Heterogeneous Mixture

A

a mixture that is unevenly mixed.

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16
Q

Homogeneous Mixture

A

a mixture that is evenly mixed

17
Q

Suspension

A

a mixture in which the particles are mixed but not dissolved in a fluid or solid.

18
Q

Element

A

a substance that cannot be brown down into any other substances by chemical or physical means.

19
Q

Atom

A

the smallest part of matter.

20
Q

Chemical Symbol

A

an abbreviation for an element.

21
Q

Chemical Formula

A

an abbreviation for a compound

22
Q

Subatomic Particle

A

the small particles that make up an atom.

23
Q

Proton

A

a positively charged subatomic particle in the nucleus of an atom.

24
Q

Neutron

A

a subatomic particle with no charge that is in the nucleus of an atom.

25
Q

Chemical Reaction

A

the process that causes substances to change in identity.

26
Q

Law of Conservation of Matter

A

matter is not lost or gained during a chemical reaction.

27
Q

Solution

A

a mixture in which one substance is dissolved in another.

28
Q

Chemical Equation

A

a representation of a chemical reaction shown with symbols and formulas.

29
Q

Double Replacement Reaction

A

a chemical reaction in which a single element trades places with an element in a compound.

30
Q

Single Replacement Reaction

A

a chemical reaction in which simpler substances combine to form a more complex substance.