Periodic Table Flashcards

1
Q

Alkali Metals

A

group of metals on the left-hand side

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2
Q

Alltropes

A

structurally different forms of the same element

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3
Q

Cyclohexane

A

C6H12, used for dissolving halogens

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4
Q

Diatomic

A

atoms that exist in pairs

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5
Q

Extrapolate

A

extending a curve on a graph

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6
Q

Hallogens

A

groups of seven toxic non-metals elements that have coloured vapours, with low melting and boiling points and are poor conductors

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7
Q

Fl

A

Fluorine

gas at room temperature, used to prevent tooth decay, processes nuclear fuel

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8
Q

Cl

A

Chlorine

gas at room temperature, used to make disinfectants and antiseptics

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9
Q

Br

A

Bromine

liquid at room temperature, used in leaded petrol, medicines and photography

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10
Q

I

A

Iodine

solid at room temperature, used in animal food supplements

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11
Q

At

A

Astatine

solid at room temperature

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12
Q

Inert

A

unreactive

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13
Q

Monoatomic

A

atoms that exist as individual atoms and do not form chemical bonds with each other or other elements

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14
Q

Noble Gases

A

inert, or unreactive, gases on the right hand side of the periodic table

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15
Q

He

A

Helium

used to fill balloons and air ships as it is lighter than air

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16
Q

Ne

A

Neon

used for signs and lights

17
Q

Ar

A

Argon

used to fill light bulbs as it doesn’t react with the Tungsten filament

18
Q

Kr

A

Krypton

used to fill double glazing as it is a good insulator

19
Q

Xe

A

Xenon

used for lasers, car headlights and anaesthetic

20
Q

Rn

A

Radon

used for radiotherapy

21
Q

Tetratomic

A

atoms that exist in groups of four

22
Q

Transition Metals

A

elements between the second and third group, all with at least four energy levels that are less reactive than group one and two and have high melting and boiling points, also known as typical elements

23
Q

Triatomic

A

atoms that exist in groups of five