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Chemistry Honors > Chemistry Chapter 1 > Flashcards

Chemistry Chapter 1 Flashcards

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1
Q

Study of Matter

A

Chemistry

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2
Q

Something that takes up space and mass

A

Matter

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3
Q

Any substance that has definite composition

A

Chemicals

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4
Q

The smallest unit of an element that maintains the properties of that element

A

Atoms

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5
Q

A neutral group of atoms that are held together by covalent bonds

A

Molecules

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6
Q

A pure substance made of only one kind of atom

A

Element

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7
Q

A substance that is made from the atoms of two or more elements that are chemically bonded

A

Compound

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8
Q

A blend of two or more kinds of matter that can usually be separated by physical means

A

Mixture

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9
Q

Mixtures that are uniform in composition, stays the same throughout. (A.K.A. Solutions.)

A

Homogeneous

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10
Q

Mixtures that are not uniform in composition

A

Heterogeneous

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11
Q

Every sample of this has exactly the same characteristic properties and exactly the same composition

A

Pure Substance

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12
Q

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

A

Physical property

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13
Q

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

A

Physical Change

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14
Q

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

A

Plasma

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15
Q

relates to a substance’s ability to undergo changes that transform it into different substances

A

Chemical Property

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16
Q

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

A

Chemical Change

17
Q

Energy being absorbed

A

Endothermic

18
Q

Energy being released

A

Exothermic

19
Q

They are organized into groups based on similar chemical properties

A

Periodic Table

20
Q

The vertical columns of the periodic table are called

A

Groups

21
Q

The horizontal rows of elements in the periodic table are called

A

Periods

22
Q

an element that is a good conductor of heat and electricity

A

Metal

23
Q

Can be hammered or rolled into thin sheets

A

Malleable

24
Q

can be drawn into a fine wire

A

Ductile

25
Q

an element that is a poor conductor of heat and electricity

A

Nonmetal

26
Q

an element that has some characteristics of metals and some characteristics of nonmetals.

A

Metalloid

Chemistry Honors (5 decks)

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