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Chemistry Honors > Semester 1 Final Exam > Flashcards

Semester 1 Final Exam Flashcards

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1
Q

SI

A

System International of Units

*Metric System

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2
Q

What is the metric system based on?

A

Multiples of 10

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3
Q

Base unit of Length

A

Meter (m)

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4
Q

Base unit of Volume

A

Liter (L)

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5
Q

Base unit of Mass

A

Gram (g)

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6
Q

milli-

A

1/1000

0.001

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7
Q

centi-

A

1/100

0.01

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8
Q

kilo-

A

1000

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9
Q

Quantitative

A

Uses #’s to describe data

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10
Q

Qualitative

A

Describes data without words

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11
Q

’s without units are…..?

A

Meaningless

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12
Q

Accuracy

A

How close the measurement is to the true value

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13
Q

Precision

A

How well the measurement can be reproduced

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14
Q

More marks=

A

More precision

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15
Q

100mL Graduated Cyl

A

Estimate tenths

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16
Q

50mL Graduated Cyl

A

Estimate tenths

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17
Q

25mL Graduated Cyl

A

Estimate tenths

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18
Q

10mL Graduated Cyl

A

Estimate hundredths

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19
Q

50mL Buret

A

Estimate hundredths

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20
Q

100mL Buret

A

Estimate tenths

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21
Q

Atlantic/Pacific Rule

A
  • If a decimal is “Present” start counting form the Pacific side at the first “non-zero” digit and continue counting until the # ends
  • If the decimal is “Absent” start counting form the Atlantic side at the first “non-zero” digit and continue
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22
Q

How many sig figs?

458g

A

3

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23
Q

How many sig figs?

5480g

A

3

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24
Q

How many sig figs?

0.0485g

A

3

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25
Q

How many sig figs?

40.0040850

A

9

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26
Q

Sig digs with adding and subtracting

A

Goes by place level

27
Q

27.93

+6.4

A

34.3

28
Q

4.8

+6.8765

A

11.7

29
Q

Sig digs with multiplication and division

A

Goes by number of sig digs

30
Q

2

X 11

A

20

31
Q

Distilled Water

A

Compound

32
Q

Paint

A

Mixture

33
Q

Sulfur

A

Element

34
Q

Cereal

A

Mixture

35
Q

Apple Juice

A

Solution

36
Q

A bottle of pop fizzes over

A

Physical

37
Q

Exploding of a bomb

A

Chemical

38
Q

Liquefying Oxygen gas

A

Physical

39
Q

When your body digests food

A

Chemical

40
Q

The wax of a candle melts

A

Physical

41
Q

Shape, volume, and compressibility of a solid

A

Definite Shape
Definite Volume
Incompressable

42
Q

Shape, volume, and compressibility of a liquid

A

Indefinite Shape
Definite Volume
Virtually Incompressable

43
Q

Shape, volume, and compressibility of a gas

A

Indefinite Shape
Indefinite Volume
Compressable

44
Q

Intensive physical property

A

Not dependent on amount of material

ex:/ Density

45
Q

Extensive physical property

A

Dependent on amount of material

ex:/ Mass

46
Q

Law of Definite Proportions

A

Illustrate this law in individual samples, because they have definite proportions

47
Q

Law of Multiple Proportions

A

Illustrate this law when all samples are looked at together, because they show multiple proportions

48
Q

Ruthehrford’s Gold Foil Experiment

A
  • He shot positive alpha particles at a thin piece of gold foil. He expected them to go through with no change in direction, but a few were deflected
  • Because most passed through, and some were deflected, he concluded that the atom was mostly empty space, and that the atom had a small, dense, positive charged nucleus.
49
Q

2 Points of Dalton’s Atomic Theory & how its changed

A

1) Atoms are indivisible
* Not true because of protons, neutrons and electrons

2) All atoms of a specific element are exactly the same
* Not true because of isotopes and ions

50
Q

Alpha Particle

A

4

2 He

51
Q

Beta Particle

A

0

-1 e

52
Q

On the EM spectrum, what has the lowest energy?

A

Radio Waves

53
Q

On the EM spectrum, what has the highest energy?

A

Gama Rays

54
Q

Atomic Radii Increases

A

Going down a group

55
Q

Atomic Radii decreases

A

Across periods

56
Q

Ionization Energy Increases

A

Across periods

57
Q

Ionization Energy decreases

A

Down a group

58
Q

The number of electrons a single d orbital can hold

A

2

59
Q

How many d electrons can the second energy level hold

A

0

60
Q

The number of s electrons in a single oxygen atom is

A

4

61
Q

What is the total number of orbitals containing electrons in a nitrogen atom

A

5

62
Q

The maximum number of electrons that can occupy a 3p sublevel is

A

6

63
Q

Orbital diagram sublevel list

A

1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6

Chemistry Honors (7 decks)

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