Periodic table

A column (top to bottom) is known as a-

• Group

• Family

• Period

• Row

Which is true about the 2 elements in the picture?

• they are in the same period

• they are no where near each other

• they are in the same group with element R on top

• they are in the same group with element Q on top

What period is this element located in?

• 1

• 2

• 3

• 4

Which of the following would be elements that are found in the same period?

• Sn and Rb

• F and Cl

• K and Ba

• Se and Te

The atoms along the staircase are called 

• metals
• nonmetals
• metalloids
• noble gases

Sodium (Na) is found in period

• 3

• 2

• 4

• 1

• Periods
• Groups

The darkest shaded area on the periodic table is known as-

• Metals

• Nonmetals

• Metalloids

• Rare Earth Elements

What does the C represent?

• atomic mass
• atomic number
• element name
• chemical symbol 

How many protons does this element have?

• 40
• 21
• 20
• 41