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Natural Science > Matter and Material > Flashcards

Matter and Material Flashcards

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Biology 101 flashcards
1
Q

H

A

Hydrogen

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2
Q

He

A

Helium

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3
Q

Li

A

Lithium

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4
Q

Be

A

Beryllium

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5
Q

B

A

Boron

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6
Q

C

A

Carbon

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7
Q

Nitrogen

A

N

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8
Q

Oxygen

A

O

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9
Q

Fluorine

A

F

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10
Q

Neon

A

Ne

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11
Q

Sodium

A

Na

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12
Q

Magnesium

A

Mg

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13
Q

Aluminium

A

Al

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14
Q

Silicon

A

Si

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15
Q

Phosphorus

A

P

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16
Q

Sulfer

A

S

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17
Q

Chlorine

A

Cl

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18
Q

Argon

A

Ar

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19
Q

Potassium

A

K

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20
Q

Calcium

A

Ca

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21
Q

Titanium

A

Ti

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22
Q

Manganese

A

Mn

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23
Q

Iron

A

Fe

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24
Q

Cobalt

A

Co

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25
Q

Copper

A

Cu

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26
Q

Zinc

A

Zn

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27
Q

Bromine

A

Br

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28
Q

Krypton

A

Kr

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29
Q

Silver

A

Ag

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30
Q

Iodine

A

I

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31
Q

Xenon

A

Xe

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32
Q

Tungsten

A

W

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33
Q

Iridium

A

Ir

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34
Q

Gold

A

Au

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35
Q

Mercury

A

Hg

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36
Q

Lead

A

Pb

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37
Q

Platinum

A

Pt

38
Q

What are the 7 diatomic molecules?

A

Iodine
Bromine
Chlorine
Fluorine
Oxygen
Nitrogen
Hydrogen

39
Q

On the periodic table ‘group 1’ is categorized as…?

A

Alkali metals

40
Q

On the periodic table, ‘group 2’ is categorized as…?

A

Alkaline earth metals

41
Q

On the periodic table ‘group 17’ is categorized as…?

A

Halogens

42
Q

On the periodic table, ‘group 18’ is categorized as…?

A

Nobel gases

43
Q

On the periodic table, what elements are on the far right?

A

Non-metals

44
Q

On the periodic table, what elements are on the far left?

A

Metals

45
Q

What is the ‘Golden Rule’ when balancing equations?

A

The number used to balance the equation must ALWAYS be in front

46
Q

What are protons and neutrons called?

A

Nucleons

47
Q

What are diatomic molecules?

A

An element which consists of two of the same atoms bound together

48
Q

What is an atom?

A

The smallest particle of matter

49
Q

What is a compound?

A

An atom which can be broken down

50
Q

How do you know how many electrons a structure of an atom is supposed to have?

A

The atomic number

51
Q

How do you know how many protons there are supposed to be in a structure of an atom?

A

The atomic number

52
Q

How do you know how many neutrons have to be in the structure of an atom?

A

Atomic mass - Atomic number

53
Q

What is a chemical reaction?

A

When two or more elements react together

54
Q

What is an element?

A

A chemical that can’t be broken down into simpler substances

55
Q

What is a metal?

A

An item which can conduct electricity

56
Q

What is a non-metal?

A

An item which can’t conduct electricity

57
Q

What is the periodic table?

A

A table which shows elements with their symbols

58
Q

What are the vertical rows on the periodic table?

A

Groups

59
Q

What are the horizontal rows on the periodic table called?

A

Periods

60
Q

On the periodic table, elements between ‘group 3 - 12’ are categorized as…?

A

Transition metals

61
Q

What is the chemical equation for Nitrate?

A

NO3

62
Q

What is another name for Sodium Chloride?

A

Table salt

63
Q

What is another word for Hydrochloric acid?

A

Swimming pool acid

64
Q

What is Hydrogen nitride?

A

Ammonia

65
Q

What is the chemical equation of ammonia?

A

NH3

66
Q

What is the chemical equation of table salt?

A

NaCl

67
Q

What is the symbol equation of hydrochloric acid?

A

HCl

68
Q

What is potassium Nitrate?

A

Saltpetre

69
Q

What is the chemical equation for saltpetere?

A

KNO3

70
Q

What is sodium carbonate?

A

Washing soda

71
Q

What is the chemical equation for washing soda?

A

Na2CO3

72
Q

What is methane?

A

Natural gas

73
Q

What is the chemical equation for methane?

A

CH4

74
Q

What are the only 2 dioxide chemicals you will find?

A

Carbon dioxide
Sulfer dioxide

75
Q

What are reactants?

A

Chemicals before the arrow on a chemical reaction

76
Q

What is a product?

A

The chemicals found after the arrow on a chemical reaction

77
Q

What paper is used to indicate whether a chemical is acidic of basic?

A

Litmus paper

78
Q

What is a universal indicator (UI)?

A

A mixture of dyes which change colour over a pH range

79
Q

How many units does a pH scale have?

A

14

80
Q

If an item has a pH level between 1 and 6 it is…?

A

Acidic

81
Q

If an item has a pH level between 8 and 14, it is…?

A

Basic

82
Q

If an item has a pH level of 7 it is…?

A

Neutral

83
Q

If litmus paper turn red, the solution is…?

A

Acidic

84
Q

If the litmus paper turns blue in a solution, it is…?

A

Basic

85
Q

What happens when magnesium reacts with oxygen after being heated?

A

It becomes a white flame

86
Q

What happens to magnesium after it gets heated and reacts with oxygen?

A

It turns into a white powder

87
Q

Is magnesium basic, acidic or neutral?

A

Basic

88
Q

What is required of iron to rust?

A

Water and oxygen

89
Q

Will salt water increase or decrease the speed in which iron rust?

A

Increase

90
Q

Will impurities in Iron increase or decrease the the rate in which Iron rusts?

A

Increase

91
Q

Name 3 methods to prevent rust?

A

Spraying with oil
Painting
Spraying with rust preventative agent

92
Q

What is galvanising?

A

Covering with another metal that does not rust so easily

Natural Science (2 decks)

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