Periodic Table

Question 1

Alkali Metals

Answer 1

group of metals on the left-hand side

Question 2

Alltropes

Answer 2

structurally different forms of the same element

Question 3

Cyclohexane

Answer 3

C6H12, used for dissolving halogens

Question 4

Diatomic

Answer 4

atoms that exist in pairs

Question 5

Extrapolate

Answer 5

extending a curve on a graph

Question 6

Hallogens

Answer 6

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

Question 7

Fl

Answer 7

Fluorine

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

Question 8

Cl

Answer 8

Chlorine

gas at room temperature, used to make disinfectants and antiseptics

Question 9

Br

Answer 9

Bromine

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

Question 10

I

Answer 10

Iodine

solid at room temperature, used in animal food supplements

Question 11

At

Answer 11

Astatine

solid at room temperature

Question 12

Inert

Answer 12

unreactive

Question 13

Monoatomic

Answer 13

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

Question 14

Noble Gases

Answer 14

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

Question 15

He

Answer 15

Helium

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

Question 16

Ne

Answer 16

Neon

used for signs and lights

Question 17

Ar

Answer 17

Argon

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

Question 18

Kr

Answer 18

Krypton

used to fill double glazing as it is a good insulator

Question 19

Xe

Answer 19

Xenon

used for lasers, car headlights and anaesthetic

Question 20

Rn

Answer 20

Radon

used for radiotherapy

Question 21

Tetratomic

Answer 21

atoms that exist in groups of four

Question 22

Transition Metals

Answer 22

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

Question 23

Triatomic

Answer 23

atoms that exist in groups of five