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Matter and classification > Matter > Flashcards

Matter Flashcards

1
Q

What is matter

A

Anything that takes up space and has mass

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2
Q

Properties of matter

A

Strength thermal conductivity brittle ductile dense melting

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3
Q

A mixture

A

substance that keeps its properties when in a mixture

Able to separate

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4
Q

Homogeneous

A

uniform properties

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5
Q

heterogeneous

A

Not uniform different compounds can be seen [water and oil]

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6
Q

pure substance

A

can be pure chemical element

pure chemical compound

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7
Q

examples of pure substances

A

hydrogen gas diamond gold copper wire ammonia

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8
Q

Hypothesis

A

starts with i think

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9
Q

impure substance

A

coke clock sand salt concrete

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10
Q

Element

A

simplest form of matter that exists

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11
Q

diatomic elements

A

hydrogen nitro fluorine oxygen iodine chlorine bromine

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12
Q

chemical formula

A

tell us the chemical composition of a compound it gives it a standardized name

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13
Q

metals

A

good conductor of heat
ductile and malleable
high melting and boiling point

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14
Q

Non metals

A

poor conductor
brittle
low melting and boiling point

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15
Q

Metabloids

A

unique conductivity of heat increase as temp increases

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16
Q

electrical conduct

A

allow flow of electricity

silver gold copper steel sea water

17
Q

semi conductor

A

allow small current to flow through

18
Q

insulator

A

Does not allow electrical current

rubber oil wood diamond

19
Q

thermal conduct

A

water conducts heat better than air (wet suit sweat)

metals

20
Q

thermal insulator

A 
does not conduct heat 
non metals (polystyrene)
21
Q

magnetic elements

A

col bolt (Co) nickel (N) iron (Fe)

22
Q

permanent magnet

A

does not lose magnetic properties

unless in contact w/heat or beaten w/hammer

23
Q

non magnetic

A

substance will not attract or repel by a magnet

Matter and classification (5 decks)

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