elements and compounds

What is an element?

A substance found on the periodic table that consists of only one type of atom.

What are the two categories of elements?

Metals and non-metals.

What is a compound?

A substance formed when two or more different elements are chemically joined together.

What is a mixture?

A combination of two or more substances that are not chemically joined.

How are compounds formed?

Compounds form during chemical reactions.

What is the difference between a compound and a mixture?

A compound consists of atoms that are chemically joined, while a mixture consists of substances that are not chemically bonded.

What is the formula of a compound?

A representation that indicates the types and numbers of atoms in a compound.

What is the formula for titanium dioxide?

TiO2

What is the formula for lithium oxide?

Li2O

What is the formula for aluminium chloride?

AlCl3

What is the naming convention for a metal and non-metal compound?

The name of the metal goes first, and the non-metal changes its ending to 'ide'.

What is the name of the compound formed from sodium and oxygen?

Sodium oxide.

What is the naming convention for a metal, non-metal, and oxygen compound?

The name of the metal goes first, and the non-metal changes its ending to 'ate'.

What is the name of the compound formed from calcium, carbon, and oxygen?

Calcium carbonate.

How do you determine the order of non-metals in a compound?

The element to the left of the periodic table goes first.

What is the name of the compound formed from carbon and oxygen?

Carbon dioxide.

What is the formula for manganese oxide?

MnO2

What is the formula for aluminium oxide?

Al2O3

What is the formula for iron chloride?

FeCl3

What is the name of the compound formed from magnesium and oxygen?

Magnesium oxide.

What is the name of the compound formed from lead and oxygen?

Lead oxide.

What is the name of the compound formed from sodium and bromine?

Sodium bromide.

What is the name of the compound formed from tin and nitrogen?

Tin nitride.

What is the name of the compound formed from nickel and iodide?

Nickel iodide.

What is the name of the compound formed from zinc and sulphide?

Zinc sulphide.

What is the name of the compound formed from lithium and nitrogen?

Lithium nitride.