Please answer Classifying Unfamiliar Substances (Chemical names): Questions to be asking
1. Is it on the Periodic table?
a. Yes – Then its an element
b. No – Go to Number 2.
2. Is it an “Ide”?
a. Yes – Then it is a compound
b. No – Go to Number 3
3. Is it an “Ate”?
a. Yes – Then it is a compound
b. No – Go to Number 4
4. Is it an “Ane”?
a. Yes – Then it is a compound
b. No – Go to Number 5
5. Does it have “and” in it?
a. Yes – then it is a Mixture
b. No – then the substance could still be a Mixture
10
Substance
Classification
(eg Element)
Reason
Oxygen
Element
On periodic table
Petroleum

Hydrogen and
Helium

Iron Sulphide

Carbon Dioxide

Salt Water

Milk and Sugar

Silver Nitrate

Sodium Carbonate

Carbon Electrode

Astatine

Argon

Oxidane

Iron and Sulphur

Methane