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Chemestry > Chapter 1 > Flashcards

Chapter 1 Flashcards

1
Q

Atom

A

Smallest unit of an element

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2
Q

Mass

A

Measure of amount of matter

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3
Q

Matter

A

Has mass and takes up space

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4
Q

Compound

A

A substance that can be broken down into simpler stable substances

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5
Q

Extensive properties

A

Depends on the amount of matter that is present

mass volume length

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6
Q

Intensive

A

Do not depend on the amount of matter present

density boiling point harness

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7
Q

Heterogenous

A

Mixed different

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8
Q

Homogenous solution

A

Same more dissolved

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9
Q

Alkali metal

A

First family

potassium sodium

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10
Q

Alkaline earth metal

A

Second family on the left

calcium and barium

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11
Q

Halogen

A

Second family on right

fluoride chlorine

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12
Q

Noble gas

A

First family on the right

Argon neon

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13
Q

Metal

A 
Cobalt copper nickel iron
solid 
conduct heat and electricity 
ductile 
malleable 
tensile strength
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14
Q

Nonmetal

A 
Halogens and noble gases 
helium neon iodine
gases 
brittle 
poor conductors 
not ductile or malleable
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15
Q

Physical change

A

A change in a substance that does not involve a change in the identity of the substance

Tearing breaking

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16
Q

Physical property

A

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

Hardness
Length

17
Q

Chemical property

A

Relates to the substances ability to undergo changes that transform it into different substances

Ability to tarnish or burn or rust

18
Q

Chemical reaction

A

A change in which one or more substances are converted into different substances

Reactants and products

Oxidation or burning

19
Q

Chemistry

A

The study of composition structure and properties of matter the process that matter undergoes and the energy changes that accompany these processes

20
Q

Density is

A

Volume

21
Q

Periods

A

Horizontal rows of elements on the periodic table

Closer together are more similar

22
Q

Families or groups

A

The vertical columns of the periodic table

have the same number of valance electrons and similar chemical properties

23
Q

Water is polar

A

Has a slightly positive - hydrogen- and slightly negative - oxygen- side

24
Q

Salt

A

Positive hydrogen’s are attracted to negative Na and negative oxygens attracted to positive Cl

25
Q

Volume

A

The amount of three-dimensional space a substance occupies

26
Q

Plasma

A

A high temperature physical state of matter in which atoms lose most of their electrons, particles that make up atoms

Florescent light bulbs

27
Q

Solid

A

Definite volume and shape

28
Q

Liquid

A

Definite volume indefinite shape

29
Q

Gas

A

Neither definite volume nor definite shape

30
Q

Element

A

Pure substance that cannot be broken down into simpler stable substance that is made of one type of atom

31
Q

Metalloid

A

Semiconductor
Properties of metals and nonmetals
Boron silicon or arsenic

Chemestry (4 decks)

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