Atoms Review

Each column in the periodic table is called a _________ .

• period
• group
• cluster
• unit

Two elements chemically bonded form

• element
• compound
• mixture
• solutions

Elements that are arranged in __________ have the most similar physical and chemical properties to each other.

• periods
• groups

Periods on the periodic table are __________.

• Horizontal Rows
• Vertical Columns

Groups on the periodic table are __________.

• Horizontal Rows
• Vertical Columns

Elements which are shiny, conduct electricity and heat are called

• metal
• nonmetal
• metalloid
• nonexistent

The atoms along the staircase are called 

• metals
• nonmetals
• metalloids
• noble gases

How many neutrons are in a Gold atom?

• 79
• 196
• 118
• 275

How many electrons does a Copper atom have?

• 63
• 29
• 92
• 34

What's a valence electron?

• electrons in the second energy level
• electrons in the outermost energy level
• the atomic number
• electrons in the first level