Atoms and Periodic Table

A ___________ is an arrangement of elements in columns

• columns
• rows
• periodic table
• electron shell

Each column in the periodic table is called a 

• period
• group
• cluster
• unit

The atomic number tells you what?

• number of electrons
• number of protons
• number of neutrons
• both electrons and protons in an atom.

Elements which are shiny, conduct electricity and heat are called

• metal
• nonmetal
• metalloid
• nonexistent

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

Elements in a ..................have similar chemical properties.  

• period
• group
• row

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

A neutron has a charge of

• +2
• No charge
• -1
• +1

All matter is made of _________.

• energy 
• atoms 
• electrons 
• compounds