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Chemistry- Portage > Module 1 > Flashcards

Module 1 Flashcards

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1
Q

Mass of substance in a unit volume of that substance

A

Density (g/ml)

Higher the mass, the higher the density
The greater the volume, the smaller the density

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2
Q

Anything that occupies space and has mass

A

Matter

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3
Q

Matter= anything that occupies ____ and has ______

A

Space & Mass

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4
Q

Classification of Matter

A
  1. Element
  2. Compound
  3. Mixture
    a. homogenous (solution)
    b. heterogeneous
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5
Q

Simplest type of matter that is composed of 1 kind of atom

A

Element

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6
Q

Matter composed of 2 or more different elements that are chemically bonded together

A

Compound

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7
Q

Matter composed of elements or compounds that are physically mixed together

A

Mixture

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8
Q

Classifying matter… 4 questions

A
  1. Is the name of the material on the list of elements?

Yes - The material is an element.
No - The material is a compound, solution, or heterogeneous mixture.

  1. Are the names (or part of the names) of two elements present in the scientific name of the material?

Yes - The material is a compound.
No - The material is a solution or a heterogeneous mixture.

  1. Is only one substance, layer, or color seen when I look at the material?

Yes - The material is a solution.
No - The material is a heterogeneous mixture.

  1. Are two or more substances, layers, or colors seen when I look at the material?

Yes - The material is a heterogeneous mixture.

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9
Q

Al

A

Aluminum

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10
Q

Sb

A

Antimony

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11
Q

Ar

A

Argon

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12
Q

As

A

Arsenic

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13
Q

Ba

A

Barium

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14
Q

Be

A

Beryllium

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15
Q

Bi

A

Bismuth

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16
Q

B

A

Boron

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17
Q

Br

A

Bromine

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18
Q

Cd

A

Cadmium

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19
Q

Ca

A

Calcium

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20
Q

C

A

Carbon

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21
Q

Cl

A

Chlorine

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22
Q

Cr

A

Chromium

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23
Q

Co

A

Cobalt

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24
Q

Cu

A

Copper

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25
Q

F

A

Fluorine

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26
Q

Au

A

Gold

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27
Q

He

A

Helium

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28
Q

H

A

Hydrogen

29
Q

I

A

Iodine

30
Q

Fe

A

Iron

31
Q

Pb

A

Lead

32
Q

Li

A

Lithium

33
Q

Mg

A

Magnesium

34
Q

Mn

A

Manganese

35
Q

Hg

A

Mercury

36
Q

Ne

A

Neon

37
Q

Ni

A

Nickle

38
Q

N

A

Nitrogen

39
Q

O

A

Oxygen

40
Q

P

A

Phosphorus

40
Q

Pt

A

Platinum

41
Q

K

A

Potassium

42
Q

Se

A

Selenium

43
Q

Si

A

Silicon

44
Q

Ag

A

Silver

45
Q

Na

A

Sodium

46
Q

Sr

A

Strontium

47
Q

S

A

Sulfur

48
Q

Sn

A

Tin

49
Q

Ti

A

Titanium

50
Q

W

A

Tungsten

51
Q

U

A

Uranium

52
Q

Zn

A

Zinc

53
Q

An intimate combination of two or more elements in which the elements become attached to one another. [Chemically bonded]

A

Compound

Compounds can be recognized by their scientific name, which does not appear on the table of elements but contains the name (or part of the name) of two or more elements.

54
Q

A combination of two or more elements or compounds, which appears (to the eye) to be one layer or material.

A

Homogeneous Mixture (Solution)

55
Q

A combination of two or more elements or compounds, which appears (to the eye) without any manipulation to be more than one layer or material.

A

Heterogeneous Mixture

56
Q

Matter can undergo two types of changes: ________ & ________

A

Physical Changes
Chemical Changes

57
Q

A _____ change in matter is a change in the form, but not its chemical composition.

A

Physical Change

Changing the physical state of a substance without changing it’s composition…. physical changes can usually be reversed

58
Q

Examples of Physical Changes

A
  • Melting
  • Freezing
  • Dissolving
  • Boiling
  • Condensation
  • Chopping
  • Crushing
  • Cutting
  • Mixing
59
Q

A ____ change is a change in the composition of matter

A

Chemical Change

Changes the identity of the orginal substance; Can’t reverse chemical changes

60
Q

Examples of chemical changes

A

Burning
Rusting
Explosion
Baking

61
Q

The basic unit of all matter is called ______

A

An atom

62
Q

The center of the atom is called the _____ and contains two types of particles called ______ and ______.

A

Nucleus
Protons
Neutrons

63
Q

Protons have a _____ charge

A

Positive

64
Q

Neutrons have _____ charge

A

NO

65
Q

Electrons have _____ charge

A

Negative

66
Q

Four parts of an atom

A
  1. Nucleus
  2. Protons
  3. Neutrons
  4. Electrons
67
Q
A

Chemistry- Portage (1 decks)

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