Periodic Table

Each column in the periodic table is called a 

• period
• group
• cluster
• unit

Elements which are shiny, conduct electricity and heat are called

• metal
• nonmetal
• metalloid
• nonexistent

How many protons are in this element?

• 79
• 196
• 117
• Cannot be determined

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

one or two letters that represent the name of an element

• element name

• element symbol

• atomic number

• atomic mass

one or two letters that represent the name of an element

• element name

• element symbol

• atomic number

• atomic mass

The horizontal row on the periodic table is called a

• group
• family
• period
• atomic number

What does the 1.00794 stand for?

• Hydrogen
• atomic number
• atomic mass
• atomic explosion

Subatomic particles with a negative charge

• Electrons

• Neutrons

• Protons

• Quarks

Subatomic particles with a positive charge

• neutrons
• atomic mass
• protons
• isotopes