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Science Vocab > Ch. 3 Vocab > Flashcards

Ch. 3 Vocab Flashcards

1
Q

Smallest unit of a chemical element

A

Atom

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2
Q

A substance in which the atoms of two or more elements bond together

A

Chemical compound

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3
Q

A solid in which all the atoms are arranged in a regular, repeating pattern

A

Crystal

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4
Q

a thing that is composed of two or more separate elements; a mixture

A

Compound

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5
Q

Tiny negatively charged particles that orbit the nucleus

A

Electron

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6
Q

A substance in which all of the atoms have the same number of protons

A

Element

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7
Q

An atom with a different number of electrons and protons.

A

Ion

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8
Q

Substance that physical objects are made of

A

Matter

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9
Q

a naturally occurring, inorganic, crystalline solid with a characteristic chemical composition

A

Mineral

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10
Q

the smallest possible amount of a chemical substance

A

Molecule

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11
Q

Neutral particle in the nucleus of an atom

A

Neutron

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12
Q

Center of an atom, made of protons and neutrons.

A

Nucleus

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13
Q

Positively charged particle in a nucleus

A

Proton

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14
Q

mineral containing silicon atoms bonded to oxygen atoms

A

Silicate

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15
Q

the tendency of a mineral to break along certain planes to make smooth surfaces

A

Cleavage

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16
Q

amount of mass per unit of volume of a substance

A

Density

17
Q

the way a mineral breaks when it is not broken along a cleavage plane

A

Fracture

18
Q

the ability of a rock to resist scratching

A

Hardness

19
Q

the way light reflects off of the surface of a mineral

A

Luster

20
Q

The color of the powder in a mineral

A

Streak

21
Q

Molten rock that has reached earths surface

A

Lava

22
Q

A solid mixture of minerals or mineral grains

A

Rocks

23
Q

Any material that is cut and polished to use in jewelry

A

Gemstone

24
Q

Mineral deposit that contains enough minerals to be mined for profit

A

Ore

Science Vocab (11 decks)

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