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CHEM 1100 > EXAM I > Flashcards

EXAM I Flashcards

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1
Q

Matter

A

Anything that has mass and takes up space

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2
Q

Substance

A

A single chemical
One kind of matter

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3
Q

Mixture

A

A sample of matter that contains two or more chemicals

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4
Q

Solution

A

A homogenous mixture

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5
Q

Homogenous

A

A sample which has a uniform appearance and composition throughout

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6
Q

Heterogenous

A

Different phases
Usually visible

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7
Q

Element

A

A pure substance which can be separated into other stable pure substances

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8
Q

Compound

A

A pure substance which can be decomposed by a chemical change or into 2 or more other pure substances

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9
Q

Atom

A

The smallest unit particle of an element

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10
Q

Physical property

A

Can be described by senses
A measurable property

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11
Q

Chemical property

A

Properties defined by the type of chemical changes possible

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12
Q

Physical change

A

New form of old substance
No new substances formed

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13
Q

Law of Multiple Proportions

A

When 2 elements combine, it is always in a simple ratio of whole numbers

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14
Q

Law of Conservation of Mass

A

In a chemical change, mass is conserved. It is neither created or destroyed

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15
Q

Law of Conservation of Energy

A

In a chemical change, energy is conserved. It is neither created or destroyed

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16
Q

Chemical Change

A

Old substances destroyed
New substances formed

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17
Q

H

A

Hydrogen

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18
Q

He

A

Helium

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19
Q

Li

A

Lithium

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20
Q

Be

A

Beryllium

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21
Q

B

A

Boron

22
Q

C

A

Carbon

23
Q

N

A

Nitrogen

24
Q

O

A

Oxygen

25
Q

F

A

Fluorine

26
Q

Ne

A

Neon

27
Q

Na

A

Sodium

28
Q

Mg

A

Magnesium

29
Q

Al

A

Aluminium

30
Q

Si

A

Silicon

31
Q

P

A

Phosphorus

32
Q

S

A

Sulfur

33
Q

Cl

A

Chlorine

34
Q

Ar

A

Argon

35
Q

K

A

Potassium

36
Q

Ca

A

Calcium

37
Q

Cr

A

Chromium

38
Q

Mn

A

Manganese

39
Q

Fe

A

Iron

40
Q

Co

A

Cobalt

41
Q

Ni

A

Nickel

42
Q

Cu

A

Copper

43
Q

Zn

A

Zinc

44
Q

Br

A

Bromine

45
Q

Kr

A

Krypton

46
Q

Ag

A

Silver

47
Q

Sn

A

Tin

48
Q

I

A

Iodine

49
Q

Ba

A

Barium

50
Q

Hg

A

Mercury

51
Q

Pb

A

Lead

CHEM 1100 (3 decks)

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