Periodic Table and Atomic Structure

Each column in the periodic table is called a 

• period
• group
• cluster
• unit

Which group of the periodic table is composed of inert (not reactive)  gases?

• alkali metals
• alkaline earth metals
• halogens
• noble gases

Elements which are shiny, conduct electricity and heat are called

• metal
• nonmetal
• metalloid
• nonexistent

Which element is not a metal?

• H
• Re
• Al
• B

The atoms along the staircase are called 

• metals
• nonmetals
• metalloids
• noble gases

Which is a halogen?

• Helium
• Chlorine
• Oxygen
• Neptune

Which is an alkali metal?

• Magnesium
• Iron
• Sodium
• Europium

A horizontal row of elements in the periodic table.

• column
• group
• period

A vertical column in the periodic table.  Elements share similar properties.

• row
• group
• period

A proton is....

• A negatively charged subatomic particle
• A positively charged subatomic particle
• A neutrally charged subatomic particle
• The only subatomic particle located in the nucleus