Ch 3: Chemical Composition of Matter (Part 1)

pure substance that can be broken down into simpler substances by chemical methods.

pure substance that cannot be broken down into simpler substances by chemical methods.

pure substance that can be broken down into simpler substances by physical methods.

pure substance that can be broken down into sub-atomic particles by chemical methods.

compounds

matter

elements

elements and mixtures

Ferrium

Iron

Steel

Francium

C

Ch

Cl

Cr

Carbon (C)

Nitrogen (N₂)

Water (H₂O)

Aluminium (Al)

metals and non-metals

state at room temperature

by their properties

by their symbols

It is a metal.

It is an element.

It is a solid at room temperature.

It is a liquid at room temperature.

It has the symbol Mr

it is a gas at room temperature

it is a non-metal

it is an element

it is found on the left of the "zig-zag" staircase separating metals and non-metals

it is a metal

it is malleable

it is a poor conductor of heat and electricity

it represents the element Astatine

can be beaten into different shapes without breaking

can be pulled into wires without breaking

elastic

shatters when dropped

It has the chemical symbol S.

it is found on the left of the "zig-zag" staircase separating metals and non-metals

It exists as a solid at room temperature

It is yellow in colour

compound

element

solute

solution

sulfur

sodium

chloride

chlorine

oxygen

silver

carbon dioxide

air

Constituent elements of a compound are physically combined in a fixed proportion by mass.

Compound has different properties as its constituent elements.

A compound can be separated into its constituent elements by physical methods.

made up of two or more elements chemically combined

its constituents e.g. nitrogen, water, carbon dioxide are not chemically combined with each other.

the amount of water vapour in air varies

it is made up of different elements and compounds mixed together.

It is needed to support life.