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CHEM REFRESHERS (SHS) > Into To Chem > Flashcards

Into To Chem Flashcards

Learn the basics of Chem, review about the course taught in high school years.

1
Q

It deals with the study of composition properties and structures.

A

Chemistry

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2
Q

Building blocks of matter.

A

Atoms

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3
Q

Consists of two or more atoms joined together and recognized as a unit.

A

Molecules

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4
Q

Has mass and take up space.

A

Matter

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5
Q

Amount of matter in an object.

A

Mass

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6
Q

Amount of space an object takes up.

A

Volume

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7
Q

Measure or force of gravity on an object.

A

Weight

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8
Q

Three types of properties of matter:

A

Physical, Chemical and Characteristic Properties

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9
Q

Characteristics of features that describe matter, that are observed and measured without changing the identity and composition of a substance.

A

Physical Properties

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10
Q

Properties that do not change as mass and volume or change in shape.

A

Characteristic Properties

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11
Q

Refers to the ability of a substance to undergo changes to transform into different substance.

A

Chemical Properties

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12
Q

Properties that depend on the amount of substances.

A

Extensive Properties

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13
Q

Properties that depend on the type or quality of matter.

A

Intensive Properties

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14
Q

State the states of matter.

A 
Solid
Liquid
Gas
Plasma
Bose-Einstein Condensate
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15
Q

A change of matter without changing the identity of the substance.

A

Physical Change

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16
Q

When two or more substances are combined into entirely new substance with all new properties.

A

Chemical Change

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17
Q

Changes of Matter:

A

Physical and Chemical Change

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18
Q

Classifications of Matter:

A

Pure Substances

Mixtures

19
Q

Something that is not mixed or combined with anything else.

A

Pure Substances

20
Q

A combination of two or more substances where there is no chemical combination or reaction to occur.

A

Mixtures

21
Q

True or False: Pure Substances are not homogenous.

A

False

22
Q

Has the same uniform appearance and composition throughout and cannot be separated physically.

A

Homogenous

23
Q

It doesn’t have uniform composition and can be separated physically.

A

Heterogenous.

24
Q

True or False: Solutions are homogenous mixtures.

A

True

25
Q

Mixture of two or more substances in a single phase.

A

Solution

26
Q

Substance in the smallest amount in a solution and the one that dissolves or disperses.

A

Solute

27
Q

Substance in the larger amount in the solution.

A

Solvent

28
Q

What are the two main division of pure substances?

A

Elements and Compound

29
Q

Substance made from only one type of atom.

A

Element

30
Q

A substance made from two or more elements that have reacted chemically with each other.

A

Compound

31
Q

State the three kinds of elements.

A

Metals, Non-metals, metalloids

32
Q

What are the Diatomic Molecules?

A

Hydrogen, Nitrogen, Fluorine, Oxygen, Iodine, Chlorine, Bromine (Have No Fear Of Ice CoLd BeeR)

33
Q

What are the nine methods of separating mixtures?

A

Filtration, Centrifugation, Decantation, Chromatography, Distillation, Density, Evaporation, Magnet, Physical Manipulation

34
Q

Ratio of mass and volume.

Method of separating mixtures by getting the layered substance without med dropper.

A

Density

35
Q

Tool used to separate matter from different densities.

A

Centrifuge

36
Q

Used to separate components of a solution.

A

Chromatography

37
Q

Separation can be done by scooping or picking the substance by the use of spoon, fork, tongs, etc.

A

Physical Manipulation

38
Q

Method of separating substances that have different boiling points.

A

Distillation

39
Q

Used to separate an insoluble substance from a soluble substance.

A

Filtration

40
Q

Can be used to separate a magnetic substance from a non-magnetic substance.

A

A magnet

41
Q

To pour the liquids of and leave the solids behind.

A

Decantation

42
Q

Can be used to separate a solute from the solvent in a solution.

A

Evaporation

43
Q

Classification of Compounds:

A

Acid, Base, Salt

CHEM REFRESHERS (SHS) (1 decks)

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