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Honors Chem > Unit 1 vocab > Flashcards

Unit 1 vocab Flashcards

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1
Q

The knowledge obtained by observing natural events and conditions in order to discover facts and formulate laws or principles that can be verified or tested

A

Science

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2
Q

The study of

-the composition, structure, and properties of matter
-the processes that matter undergoes
-the energy changes that accompany these processes

A

Chemistry

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3
Q

Study of most carbon containing compounds

(excludes oxides and carbonates)

A

organic chemistry

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4
Q

Study of non-organic substances that do not have carbon

(includes oxides and carbonates)

A

Inorganic Chemistry

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5
Q

Study of the properties and changes of matter and their relation to energy

A

Physical Chemistry

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6
Q

Identification of the components and composition of materials

A

Analytical Chemistry

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7
Q

Study of substances and processes in living things (living cells-enzymes)

A

Biochemistry

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8
Q

Use of mathematics and computers to understand the principle behind observed chemical behavior and design and predict the properties of new compounds

A

Theoretical Chemistry

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9
Q

Any substances that has a definite composition

A

chemical

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10
Q

Often accidental discoveries

A

Basic research

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11
Q

Helps solve everyday problems
-Solves a specific problem-

A

Applied research

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12
Q

lag far behind basic and applied research

A

technological application

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13
Q

Anything that has mass and takes up space

A

matter

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14
Q

a measure of the amount of matter

A

mass

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15
Q

a substance that has fixed composition. Homogeneous, and has exactly the same characteristic properties

(an element or compound)

A

A pure substance

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16
Q

The smallest unit of an element that maintains the chemical identity of that element

A

atom

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17
Q

A pure substance that cannot be broken down into simpler, stable substances and is made of one type of atom

A

element

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18
Q

A pure substance that can be broken down into simple stable substances

A

compound

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19
Q

A characteristic that can be observed or measure without changing the identity of the substance

(boiling point, color, shape)

A

physical property

20
Q

Depends on the amount of matter that is present

(volume, mass, energy)

A

extensive physical properties

21
Q

Does not depend on the amount of matter present

(melting point, density, conduct, electricity)

A

Intensive physical properties

22
Q

Identity of substance does not change

Example

deposition, sublimation, and freezing

A

physical change

23
Q

Use of mathematics and computers to understand the principle behind observed chemical behavior and design and predict properties of new compounds

A

Theoretical chemistry

24
Q

Any substance that has a definite composition

A

chemical

25
Q

Research that often fixes a problem accidentally

A

Basic research

26
Q

Research that attempts to solve a specific problem

A

Applied research

27
Q

lag far behind basic and applies research

A

technological application

28
Q

Physical forms of matter

A

states of matter

29
Q

Identify states of matter

-Fixed volume and shape
-particles are tightly pact

A

solid

30
Q

Identify states of matter

-fixed volume but not a fixed shape
-particles loosely packed

A

liquid

31
Q

Identify states of matter

-Neither fixed volume nor fixed shape
-particles move very fast

A

gas

32
Q

Identify states of matter

-a physical state of matter in which atoms lose most of their electrons

A

plasma

33
Q

A substance’s ability to undergo changes that transform it into different substances.

A

chemical property

34
Q

The substances that react in a chemical change

A

reactants

35
Q

The substances that are formed by the chemical change

A

products

36
Q

What are some examples of chemical change

A

gas
light
color change
precipitate
temp change

37
Q

Exothermic or Endothermic

Higher energy state to lower energy (energy leaves)

A

exothermic

38
Q

Exothermic or Endothermic

Lover energy state to higher energy state (energy enters)

A

Endothermic

39
Q

A blend of two or more kinds of matter, each of which retains its own identity and properties

A

mixture

40
Q

Mixtures that are uniform in composition

A

homogeneous mixture

41
Q

Mixtures that are not uniform throughout

A

heterogenous

42
Q

something with the same proportion of components throughout

A

solution

43
Q

what is being dissolved

A

solvent

44
Q

what is dissolving

A

solute

45
Q
A

Honors Chem (17 decks)

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