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Physics chapter 4 test > last physics test > Flashcards

last physics test Flashcards

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1
Q

solid

A

cannot be squished, rigid, fixed shape

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2
Q

liquid

A

can not be squished, not rigid, not fixed shape

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3
Q

gas

A

can be squished, not rigid, not fixed shape

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4
Q

substance definition

A

A substance is anything that contains matter

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5
Q

Mixture

A

Any group of substances that are combined without a chemical reaction occuring

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6
Q

Pure substance

A

A single substance, either an element or a substance that has been formed by a chemical reaction (a compound)

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7
Q

Elements

A

an element is a type of atom, classified according to the number of protons it has (known as the atomic number). The elements are arranged on the periodic table according to the atomic number it has. . An element can be a single atom or a group of atoms that are all the same type.

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8
Q

how many elements do we know of

A

118

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9
Q

Aluminum

A

Al

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10
Q

Calcium

A

Ca

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11
Q

Carbon

A

C

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12
Q

Chlorine

A

Cl

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13
Q

Copper

A

Cu

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14
Q

Gold

A

Au

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15
Q

Helium

A

He

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16
Q

Hydrogen

A

H

17
Q

Iron

A

Fe

18
Q

Lead

A

Pb

19
Q

Magnesium

A

Mg

20
Q

Mercury

A

Hg

21
Q

Neon

A

Ne

22
Q

Nickle

A

Ni

23
Q

Nitrogen

A

N

24
Q

Oxygen

A

O

25
Q

Pottasium

A

K

26
Q

Silicon

A

Si

27
Q

Silver

A

Ag

28
Q

Sodium

A

Na

29
Q

Sulfur

A

S

30
Q

Tin

A

Sn

31
Q

Uranium

A

U

32
Q

Zinc

A

Z

33
Q

Heterogenious mixture

A

When you can visually tell that there is more than one substance in a micture

34
Q

Homogenious

A

When you can’t visually tell that there’s more than one substance in a mixture

35
Q

Solutions

A

One substance (the solute) dissolves in another (the solvent)

36
Q

suspensions

A

A heterogenious mixture where two phases are involved. It can look like a sol

37
Q

Colloids

A

A

Physics chapter 4 test (5 decks)

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