The Periodic Table Flashcards

1
Q

Define elements.

A

Pure substances that cannot be broken down any more

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2
Q

What is matter?

A

Everything around us

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3
Q

What are periods?

A

The horizontal rows in the periodic table

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4
Q

What are groups?

A

The vertical columns in the periodic table

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5
Q

What is the periodic table?

A

It is a classification system for elements, which means that it is a way of organising the elments into groups

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6
Q

Who was the first to group the elements in a pattern?

A

Dmitri Mendeleev (1834- 1907)

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7
Q

Jow did he arrange the elements?

A

He arranged the elements according to their properties. He realised that in this arrangement there were patterns of repeating properties. Scientists did not discover all the elements at the same time. Some elements were only discovered quite recently. However, even though some elements had not yet been discovered in the 1860s, Mendeleev still knew to leave blank spaces for these in the table

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8
Q

What are the letters in the blocks for and how are they written?

A

The letters are the element’s chemical symbol. The symbol always starts with a capital letter, and if there is a second letter, it is a lower case letter

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9
Q

What are the numbers in the blocks for and where are they positioned?

A

They are the atomic number and mass number. The atomic number is in the top left corner while the mass number is in the bottom left corner

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10
Q

What are the three categories of the elements in the periodic table?

A

Metals
Semi-metals
Non-metals

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11
Q

Where can you find metals on the periodic table?

A

They are arranged in the middle and on the left-hand side of the periodic table. Most of the elements are metals

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12
Q

Where can you find non-metals on the periodic table?

A

They are found on the far right-hand side of the periodic table, except for hydrogen, which is on the left

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13
Q

Where can you find semi-metals on the periodic table?

A

They are found in the region between metals and non-metals.
The zigzag line separates the metals from the non-metals on the periodic table with the semi-metals on either side of the zigzag line

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14
Q

What group is Lithium and Potassium part of?

A

Group I

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15
Q

What group is Beryllium and Magnesium part of?

A

Group II

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16
Q

What group is Boron and Aluminum part of?

A

Group III

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17
Q

What group is Carbon and Silicon part of?

A

Group IV

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18
Q

What group is Nitrogen and Phosphorus part of?

A

Group V

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19
Q

What group is Oxygen and Sulfur part of?

A

Group VI

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20
Q

What group is Fluorine and Chlorine part of?

A

Group VII

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21
Q

What group is Neon and Argon part of?

A

Group 0

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22
Q

What is everything in between group II and group III called?

A

Transition elements

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23
Q

Why is there a seperate block of elements under the periodic table?

A

It is linked to a line which shows where the table splits. The top row including the element in the main table just before the line are Lathanides. The bottom row including the element in the main table just before the line are Actinides

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24
Q

Define ductile.

A

Can be stretched into thin wires

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25
Q

Define malleable.

A

Can be bent and flattened into thin sheets without breaking

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26
Q

What are some of the properties of metals?

A

. Shiny
. Mostly solids, except mercury, which is a liquid
. Good conductors of electricity and heat
. Iron cobalt and nickel are magnetic metals
. Malleable
. Ductile
. High melting point

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27
Q

What are some properties of non-metals?

A

. Dull
. Gases, liquids and solids
. Poor conductors of electricity and heat
. Not magnetic
. Not malleable
. Not ductile
. Low melting point

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28
Q

What are the semi-metals?

A

Boron, Silicon, Germanium, Arsenic, Antimony, and Tellurium

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29
Q

What are some properties of semi-metals?

A

They have some properties of metals and some of non-metals. For instance, semi-metals are shiny but brittle and not malleable. They can conduct electricity but not as well as metals. They are called semiconductors. There is a very high demand for semiconductors as they are used in most electronic devices, such as computers, phones and radios

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30
Q

Which element is represented by the chemical symbol ‘H’?

A

Hydrogen

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31
Q

Which element is represented by ‘He’?

A

Helium

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32
Q

Which element is represented by ‘Li’?

A

Lithium

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33
Q

Which element is represented by ‘Be’?

A

Beryllium

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34
Q

Which element is represented by ‘B’?

A

Boron

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35
Q

Which element is represented by ‘C’?

A

Carbon

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36
Q

Which element is represented by ‘N’?

A

Nitrogen

37
Q

Which element is represented by ‘O’?

A

Oxygen

38
Q

Which element is represented by ‘F’?

A

Fluorine

39
Q

Which element is represented by ‘Ne’?

A

Neon

40
Q

Which element is represented by ‘Na’?

A

Sodium

41
Q

Which element is represented by ‘Mg’?

A

Magnesium

42
Q

Which element is represented by ‘Al’?

A

Aluminum

43
Q

Which element is represented by ‘Si’?

A

Silicon

44
Q

Which element is represented by ‘P’?

A

Phosphorus

45
Q

Which element is represented by ‘S’?

A

Sulfur

46
Q

Which element is represented by ‘Cl’?

A

Chlorine

47
Q

Which element is represented by ‘Ar’?

A

Argon

48
Q

Which element is represented by ‘K’?

A

Potassium

49
Q

Which element is represented by ‘Ca’?

A

Calcium

50
Q

What is the chemical symbol for Hydrogen?

A

H

51
Q

What is the chemical symbol for Helium?

A

He

52
Q

What is the chemical symbol for Lithium?

A

Li

53
Q

What is the chemical symbol for Beryllium?

A

Be

54
Q

What is the chemical symbol for Boron?

A

B

55
Q

What is the chemical symbol for Carbon?

A

C

56
Q

What is the chemical symbol for Nitrogen?

A

N

57
Q

What is the chemical symbol for Oxygen?

A

O

58
Q

What is the chemical symbol for Fluorine?

A

F

59
Q

What is the chemical symbol for Neon?

A

Ne

60
Q

What is the chemical symbol for Sodium?

A

Na

61
Q

What is the chemical symbol for Magnesium?

A

Mg

62
Q

What is the chemical symbol for Aluminum?

A

Al

63
Q

What is the chemical symbol for Silicon?

A

Si

64
Q

What is the chemical symbol for Phosphorus?

A

P

65
Q

What is the chemical symbol for Sulfur?

A

S

66
Q

What is the chemical symbol for Chlorine?

A

Cl

67
Q

What is the chemical symbol for Argon?

A

Ar

68
Q

What is the chemical symbol for Potassium?

A

K

69
Q

What is the chemical symbol for Calcium?

A

Ca

70
Q

Is Hydrogen a metal, non-metal, or semi-metal?

A

Non-metal

71
Q

Is Helium a metal, non-metal, or semi-metal?

A

Non-metal

72
Q

Is Lithium a metal, non-metal, or semi-metal?

A

Metal

73
Q

Is Beryllium a metal, non-metal, or semi-metal?

A

Metal

74
Q

Is Boron a metal, non-metal, or semi-metal?

A

Semi-metal

75
Q

Is Carbon a metal, non-metal, or semi-metal?

A

Non-metal

76
Q

Is Nitrogen a metal, non-metal, or semi-metal?

A

Non-metal

77
Q

Is Oxygen a metal, non-metal, or semi-metal?

A

Non-metal

78
Q

Is Fluorine a metal, non-metal, or semi-metal?

A

Non-metal

79
Q

Is Neon a metal, non-metal, or semi-metal?

A

Non-metal

80
Q

Is Sodium a metal, non-metal, or semi-metal?

A

Metal

81
Q

Is Magnesium a metal, non-metal, or semi-metal?

A

Metal

82
Q

Is Aluminum a metal, non-metal, or semi-metal?

A

Metal

83
Q

Is Silicon a metal, non-metal, or semi-metal?

A

Semi-metal

84
Q

Is Phosphorus a metal, non-metal, or semi-metal?

A

Non-metal

85
Q

Is Sulfur a metal, non-metal, or semi-metal?

A

Non-metal

86
Q

Is Chlorine a metal, non-metal, or semi-metal?

A

Non-metal

87
Q

Is Argon a metal, non-metal, or semi-metal?

A

Non-metal

88
Q

Is Potassium a metal, non-metal, or semi-metal?

A

Metal

89
Q

Is Calcium a metal, non-metal, or semi-metal?

A

Metal