Periodic Table End Of Unit Test

Which Arrow below is the Period?

• 
• 

What is the atomic mass of Ne?

• 10.7

• 30.6

• 20.18

How many valence electrons do Group VII elements have?

• 1

• 3

• 5

• 7

Rearrange the halogen samples into the corresponding positions down the Group, according to their states at room temperature.

• 3, 4, 2, 1

• 3, 2, 1, 4

• 2, 3, 1, 4

• 1, 2, 4, 3

Down the Group, melting and boiling points _____ and the reactivity of each element _____.

• decrease, increases

• increase, decreases

• stay the same, increases

• increase, stays the same

_________ is the most reactive of the alkali metals.

• potassium

• lithium

• sodium

• francium

A(n) (a)   is an atom that has a positive or negative charge.

What family of metals is the most reactive?

• noble gases

• transition metals

• alkali metals

• alkaline earth metals

Group 1 is called...

• Alkaline earth metals
• Alkali metals
• Halogens
• Noble Gases

Which group are known as the noble gases?

• 8
• 7
• 2
• 1