KNOWLEDGE ORGANISER BIG IDEA: MATTER TOPIC: ELEMENTS

Question 1

element

Answer 1

What all substances are made up
of, and which contain only one type
of atom.

Question 2

atom

Answer 2

The smallest particle of an element
that can exist.

Question 3

molecule

Answer 3

Two to thousands of atoms joined
together. Most non-metals exist
either as small or giant molecules.

Question 4

compound

Answer 4

Pure substances made up of two or
more elements strongly joined
(bonded) together.

Question 5

chemical
symbol

Answer 5

A one or two letter code used to
identify an element

Question 6

chemical
formula

Answer 6

Shows the elements present in a
compound and their relative
proportions e.g. CaCO3

Question 7

polymer

Answer 7

A molecule made of thousands of
smaller molecules in a repeating
pattern. They can be natural or
synthetic (man-made)

Question 8

periodic table

Answer 8

A table that contains all of the
known elements. It groups together
elements with similar properties.

Question 9

hydroxide

Answer 9

Includes hydrogen and oxygen atoms. The formula for
sodium hydroxide is NaOH.

Question 10

nitrate

Answer 10

Includes nitrogen and oxygen atoms. The formula for
sodium nitrate is NaNO3.

Question 11

sulfate

Answer 11

Includes sulfur and oxygen atoms. The formula for copper
sulfate is CuSO4.

Question 12

carbonate

Answer 12

Includes carbon and oxygen atoms. The formula for
calcium carbonate is CaCO3.

Question 13

oxide

Answer 13

Includes oxygen and another element. The name
changes depending how many oxygen atoms are present.
carbon monoxide (CO - 1 oxygen atom)
carbon dioxide (CO2 - 2 oxygen atoms)
sulfur trioxide (SO3 - 3 oxygen atoms)

Question 14

hydrogen

Answer 14

H

Question 15

oxygen

Answer 15

O

Question 16

nitrogen

Answer 16

N

Question 17

Carbon

Answer 17

C

Question 18

Iron

Answer 18

Fe

Question 19

Zinc

Answer 19

Zn

Question 20

Copper

Answer 20

Cu

Question 21

Sulfur

Answer 21

S

Question 22

Aluminium

Answer 22

Al

Question 23

Iodine

Answer 23

I

Question 24

Bromine

Answer 24

Br

Question 25

Chlorine

Answer 25

Cl

Question 26

Sodium

Answer 26

Na

Question 27

Potassium

Answer 27

K

Question 28

Magnesium

Answer 28

Mg

Question 29

Polymers

Answer 29

They are substances with long chains of molocules

Question 30

Coumpounds

Answer 30

They are made from two or more different types of atoms joining together