Properties of Elements Revision

Define atoms.

• The smallest particle that makes up an element

• A substance with 2 or more elements and/or or compounds physically mixed together

• A substance with 2 or more elements chemically joined together

• A shiny material

Define lustrous

• Able to be stretched into wires

• Appearing shiny or can be polished to shine

• Able to be bent or hammered into sheets

Define malleable

• Able to be stretched into wires

• Appearing as single atoms

• Able to be bent or hammered into sheets

Define ductile

• Able to be stretched into wires

• Appearing shiny or can be polished to shine

• Able to be bent or hammered into sheets

Define monatomic

• Occurring naturally as single atoms

• Occurring naturally in clusters of chemically joined molecules

• Occurring in large grid-like structures

A substance that occurs naturally in a lattice structure:

• Occurs naturally as single atoms

• Occurs naturally in clusters of chemically joined molecules

• Occurs in large grid-like structures

A substance that naturally exists as a molecule:

• Occurs naturally as single atoms

• Occurs naturally in clusters of chemically joined atoms

• Occurs in large grid-like structures

In all substances, atoms are joined together by chemical bonds

• True

• False

What do elements and compounds have in common?

• They are both made up of more than one type of atom.

• They are both pure substances

• They can both be separated to their original components using chemical reactions

• They can be separated to their original components physically.

Which of the following is a property of metals?

• They are brittle

• They are malleable

• They don't conduct electricity

• They are dull