Periodic Table

Each horizontal row of the periodic table is called

• period
• group
• scientific law
• periodic law

Each vertical column of the periodic table is called

• period
• group
• scientific law
• periodic law

What symbol does H stand for?

• Hydrogen
• Heliu
• Hefnium
• Mercury

What period is Magnesium (Mg) in?

• 3
• 12
• 24.3
• 36

What row is Boron (B) is?

• 13
• 2
• 10.81
• 5

What is the average atomic mass of Oxygen (O)?

• 8
• 15.99
• 2
• 14.00

The modern periodic table organizes element by

• mass number
• row
• atomic number
• period

What is the period and group of Nitrogen (N)?

• period 2, group 14
• period 5, group 2
• period 3, group 15
• period 2, group 15

How many protons are in the element Scandium?

• 38
• 14
• 34
• 21

Is Potassuim (K) a metal, non-metal, or a metalloid?

• Metal
• Non-Metal
• Metalloid
• Other