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Chemistry > Chemistry quiz > Flashcards

Chemistry quiz Flashcards

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1
Q

A measure of the amount of matter in an object

A

mass

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2
Q

The quantity of a three-dimensional space occupied by a liquid, solid, or gas

A

volume

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3
Q

A property of matter that changes as the amount of matter changes Ex, mass and volume

A

Extensive property

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4
Q

Properties that don’t depend on the amount of matter such as density and color

A

Intensive property

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5
Q

is observed with the senses and can be determined without destroying the object

A

Physical property

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6
Q

A state of matter characterized by particles arranged such that their shape and volume are relatively stable

A

solid

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7
Q

state of matter where particles are free to flow has a definite volume but not a definite shape

A

liquid

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8
Q

A state of matter that is characterized by molecules that are in constant motion

A

Gas

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9
Q

A substance in the gas phase at a temperature lower than its critical temperature; can be condensed o a liquid by increasing pressure without reducing the temperature.

A

vapor

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10
Q

Any change that occurs without altering the chemical composition of the substance

A

Physical Change

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11
Q

a combination of two or more pure substances in which each pure substance maintains its individual chemical properties

A

Mixture

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12
Q

composed of different constituents or dissimilar components

A

Heterogeneous

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13
Q

has the same uniform appearance and composition throughout

A

Homogeneous

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14
Q

a homogeneous mixture composed of two or more substances

A

solution

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15
Q

a physically distinctive form of matter, such as, solid, liquid, gas or plasma. A phase of matter is characterized by having relatively uniform chemical and physical properties

A

Phase

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16
Q

any of various mechanical, physical, or biological operations that separate solids from fluids by adding a medium trough which only the fluid can pass

A

filtration

17
Q

separation of constituents of a liquid by boiling it and then condensing the vapor that results

A

Distillation

18
Q

Substances that can not be split into simpler substances

A

Elements

19
Q

Chemicals made from atoms of different elements joined by chemical bonds

A

Compound

20
Q

a usually irreversible chemical reaction involving the rearrangement of the atoms of one or more substances and a change in their chemical properties or composition, resulting, in the formation of at least one new substance.

A

Chemical Change

21
Q

an abbreviation or short representation of a chemical element; the periodic table of elements

A

Chemical Symbol

22
Q

A table of the chemical elements arranged in order of atomic number

A

Periodic Table

23
Q

The name given to the Horizontal row of the periodic table. The periodic table has 7 periods.

A

Period

24
Q

The Group (family) is the vertical column of the periodic table

A

Group

25
Q

a property or characteristic of a substance that is observed during a reaction in which the chemical composition or identity of the substance is changed

A

Chemical Property

26
Q

a process in which one of more substance, the reactants, are converted to one or more different substances, the products.

A

Chemical reactions

27
Q

A substance that takes part in and undergoes change during a reaction

A

Reactant

28
Q

a substance formed as a result of a chemical reaction

A

Product

29
Q

cause to be deposited in solid form from a solution

A

Precipitate

30
Q

The law states that mass is an isolated system and is neither created nor destroyed by chemical reactions or physical transformations. The mass of the products in a chemical reaction must equal the mass of the reactant.

A

Law of Conservation of Mass

31
Q

Matter which has specific composition and specific properties

A

substance

Chemistry (2 decks)

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