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Chemistry > Year 10 Mid Topic > Flashcards

Year 10 Mid Topic Flashcards

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0
Q

How do you find the amount of neutrons in an atom?

A

Mass number subtract protons

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1
Q

What is the mass number?

A

Protons and neutrons

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2
Q

How do you tell an atom is neutral?

A

Neutral atoms have same number of protons and electrons

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3
Q

What is an isotope?

A

An isotope is an atom which has gained or lost electrons in its outer shell

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4
Q

Xe

A

Xenon

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5
Q

Be

A

Beryllium

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6
Q

Ne

A

Neon

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7
Q

Pb

A

Lead

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8
Q

Xenon

A

Xe

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9
Q

Beryllium

A

Be

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10
Q

Neon

A

Ne

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11
Q

Lead

A

Pb

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12
Q

W

A

Tungsten

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13
Q

Tungsten

A

W

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14
Q

How many electrons in the 1st shell?

A

2

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15
Q

How many electrons in the 2nd shell?

A

8

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16
Q

How many electrons in the 3rd shell?

A

18

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17
Q

How many electrons in the 4th shell?

A

32

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18
Q

How many electrons in the 5th shell?

A

50

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19
Q

What charge is an isotope if it loses an atom?

A

Positive

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20
Q

What charge is an isotope if it gains an atom?

A

Negative

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21
Q

What is the valence shell?

A

Outer shell

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22
Q

What is a covalent bond?

A

When 2 atoms or more ‘share’ their electrons so other atoms also have a full shell

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23
Q

What is an ionic bond?

A

When an atom ‘borrows’ or ‘gives away’ electron/a to another atom so they have a full shell

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24
Q

What is a covalent bond made up of?

A

Metals

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25
Q

What is an ionic bond made up of?

A

Metals and nonmetals

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26
Q

What is a molyatonic atom?

A

One atom

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27
Q

What is a polyatomic atom?

A

More than one atom

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28
Q

What charge is Hydrogen?

A

Positive 1

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29
Q

What charge is Barium?

A

Positive 2

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30
Q

What charge is Calcium?

A

Positive 2

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31
Q

What charge is Potassium?

A

Positive 1

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32
Q

What charge is Aluminium?

A

Positive 3

33
Q

What charge is Oxide?

A

Negative 2

34
Q

What charge is Chloride?

A

Negative 1

35
Q

What charge is Iodide?

A

Negative 1

36
Q

What charge is Phosphate?

A

Negative 3

37
Q

What charge is Sodium?

A

Positive 1

38
Q

What charge is Sulfate?

A

Negative 2

39
Q

What charge is Iron (iii)?

A

Positive 3

40
Q

What charge is Magnesium?

A

Positive 2

41
Q

What charge is Lead?

A

Positive 2

42
Q

What charge is Carbonate?

A

Negative 2

43
Q

What charge is Fluoride?

A

Negative 1

44
Q

Formula for Chloride?

A

Cl-

45
Q

Formula for Ammonium?

A

(NH4)+

46
Q

Formula for Phosphate?

A

(PO4)3-

47
Q

Formula for Sulfate?

A

(SO4)2-

48
Q

Formula for Ethanoate?

A

CH3COO-

49
Q

Formula for Hydrogen Carbonate?

A

HCO3-

50
Q

Formula for Nitrate?

A

NO3-

51
Q

Formula for Hydroxide?

A

OH-

52
Q

Formula for Formula for Carbonate?

A

(CO3)2-

53
Q

Ammonium

A

NH4

54
Q

Ethanoate

A

CH3COO

55
Q

Oxide

A

O2-

56
Q

Hydroxide

A

OH-

57
Q

Nitrate

A

NO3

58
Q

Phosphate

A

PO4. 3-

59
Q

Sulfide

A

S2-

60
Q

Carbonate

A

CO3

61
Q

Hydrogen Carbonate

A

HCO3

62
Q

Sulfate

A

SO4. 2-

63
Q

Fluoride

A

F-

64
Q

Acid & base

A

Salt & water

65
Q

Acid & metal

A

Salt & hydrogen gas

66
Q

Acid & carbonate

A

SAlt & water & carbon dioxide

67
Q

What is a precipitation reaction?

A

When two soluble reactants are combined to create one soluble and one insoluble solution

68
Q

What is an atom?

A

Unit of matter

69
Q

What is an isotope?

A

Atoms that have the same number of protons and electrons but different number of neutrons

70
Q

What is a compound?

A

When atoms of different types of elements join together they make molecules or crystal lattices called compounds

71
Q

What are acids?

A

Substance that produce hydrogen ions. Usually contain H in its formula.

72
Q

What is a base?

A

Substances that produce hydroxide ions

73
Q

What is a salt?

A

Formed when an acid and a base react

74
Q

Why do particles have to collide to react?

A

Particles must collide to create a reaction

75
Q

How does a catalyst increase a reaction?

A

Creates an easier pathway, therefore a faster reaction

76
Q

Why are examples of slow reactions?

A

Rusting, ripening and fermentation of wine

77
Q

What are examples of fast reactions?

A

Explosions, vinegar and bicarbonate reacting and the burning of gas in a Bunsen

78
Q

What are the 5 principles that control the reaction rate?

A

Concentration, temperature, agitation, catalyst and surface area

79
Q

What is a reaction rate?

A

The amount of time it takes for the reaction to occur

Chemistry (8 decks)

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