Chemistry Review

A row across on the periodic table is called a 

• family
• group
• period
• genus

How many protons are in an atom of magnesium? 

• 12
• 24
• 13
• 25

Elements on the right of the zig zag line are:

• metals
• nonmetals
• metalloids
• solids

All matter is composed of extremely small particles called

• compounds
• mixtures
• atoms
• cells

Vertical columns of elements on the periodic table are called:

• groups/families
• periods
• categories
• clusters

Which subatomic particle has no charge and is represented with the green circle?

• proton
• electron
• neutron
• Nucleus

Which subatomic particle has a negative charge?

• proton
• neutron
• electron
• nucleus

What does it mean if a material is malleable?

• It is brittle
• It has a low melting point
• It can be pulled into a wire
• It can be hammered into sheets

What does it mean if a substance is ductile?

• It is brittle
• It has a low melting point
• It can be pulled into a wire
• It can be hammered into sheets

What is this?

• Mixture of compounds and elements
• Compound
• Element
• Mixture of compounds