Australian Resources
Atoms and ions
Bonding and properties
Hydrocarbons
Using hydrocarbons
100

What term describes a natural resource that cannot be replaced as quickly as it is used

Non-renewable.

100

The name for a positive ion.

Cation

100

The type of bonding that involves sharing electrons

Covalent

100

The two elements that make up all hydrocarbons

Hydrogen and Carbon

100

The name of the chemical reaction that occurs when an alkane burns in the presence of lots of oxygen (two words)

Complete combustion. 

200

Name the metal extracted from red ore in Australian deserts. 

Iron

200

The reason atoms trade electrons.

To achieve a full outer shell.

200

The name for atoms that bond in pairs eg. O2 and H2

Diatomic

200

The name of CH₄

Methane

200

Also known as a silent killer, this toxic gas is a product of incomplete combustion. 

Carbon monoxide

300

Many Aboriginal tribes across Australias east coast travelled south to harvest this animal, which was mushed into paste. 

Moths (Bogong moths +100 points)
300

Ionic bonds form between these types of atoms.

Non-metals

300

Covalent molecules have low melting points because of this. 

Weak intermolecular bonds

300

The molecular formula of pentane.

C5H12

300

State the chemical reaction (products and reactants) for complete combustion of C2H6

Ethane + Oxygen gas --> Carbon dioxide and water

400

Stainless steel is an alloy made of mostly iron and 10% what beginning with C. 

Chromium

400

An atom with an atomic mass of 6 and an atomic number of 13  has how many protons and how many neutrons?

Protons: 6

Neutrons: 7

400

Dissolved salt can conduct electricity because of this.

Free moving ions/charges

400

The process that separates crude oil into its different hydrocarbons.

Fractional distillation.

400

What product is extracted at the bottom of a fractional distillation column and how is it used.

Bitumen/asphalt, for road surfaces

500

This mineral is mined from hard rock spodumene in Australia, but from underwater salt lakes in south america.

What is Lithium

500

An atom's combining capacity, meaning how many chemical bonds it can form with other atoms.

Valency

500

The chemical formula and the chemical name of the compound formed from Al³⁺ and O²⁻ ions

Formula: Al2O3

Name: Aluminium trioxide

500

An open-chain alkane molecule contains 20 atoms altogether. Its molecular formula and name.

C₆H₁₄

hexane.

500

The name of the process in which larger hydrocarbons are split into smaller, more useful hydrocarbons. 

Cracking