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chemistry > Basic Chem Vocab > Flashcards

Basic Chem Vocab Flashcards

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1
Q

Endothermic

A

A process that absorbs heat

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2
Q

Exothermic

A

A process that releases heat

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3
Q

Concentration

A

How much of a substance in an amount of mixture

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4
Q

Salts

A

An ionic compound that dissolves in a solvent

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5
Q

Ion

A

An atom or molecule that has acquired a charge by either gaining or losing electrons

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6
Q

Element

A

A substance composed of atoms with identical atomic number

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7
Q

Products

A

A substance that is produced during a chemical reaction

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8
Q

Chemical reaction

A

A chemical change which forms new substances

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9
Q

Temperature

A

Measurement of the average kinetic energy of the particles in a substance

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10
Q

Dilute

A

Having a low concentration or lowering the concentration

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11
Q

Metalloids

A

An element with both metallic and nonmetallic properties. Found along stair step

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12
Q

Compound

A

A material formed from elements chemically combined in definite proportions

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13
Q

Mass

A

Amount of matter in a substance ( g or k)

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14
Q

Aqueous

A

A substance dissolved in water

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15
Q

Nonmetals

A

A substance that easily gains electrons to form negative ions. Found to the right of the stair step

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16
Q

Catalyst

A

A substance that increases the rate of a chemical reaction, without being consumed or produced

17
Q

Centi-

A

One hundred of (1/100 or 0.01)

18
Q

Metals

A

A substance that easily loses electrons to form positive ions. Found to the left of the stair step

19
Q

Reactants

A

A substance that is consumed during a chemical reaction

20
Q

Base

A

An ionic compound with an OH+ ion

21
Q

Acid

A

An ionic compound with H+ ion

22
Q

Weight

A

Mass times gravity (oz or lb)

23
Q

Volume

A

The amount of space an object takes up

24
Q

Milli-

A

One thousandth of (1/1000)

25
Q

Kilo-

A

One thousand of

chemistry (2 decks)

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