More practice for unit2

Which of the following is a property of an ionic compound?

• high melting point
• soft
• malleable
• liquid at room temperature

Ionic compounds conduct electricity when dissolved in water. Which statement below best explains the property?

• Ions are free to move.

• Electrons are free to move.

• Bonds are strong.

• There are weak intermolecular forces of attraction.

Why are ionic bonds solid?

• they are made of metals

• every negative is attracted to every positive

• they have high melting point

• they are not, sometimes they are liquid

The positive ions tend to _____________ electrons.

• lose

• gain

The negative ions tend to _____________ electrons.

• lose

• gain

Ionic bonds are between...

• Metal and Non-metal
• Non-metal and Non-metal
• Metal and Metal

Where are the nonmetals located on the periodic table? 

• Blue
• Red
• Green

Where are metals located on the periodic table?

• Blue
• Green
• Red

How does oxygen become an oxide ion?

• it loses 2 electrons

• it gains 2 electrons

An atom has 7 valence electrons. In order to get a full valence shell, it is easier for that atom to:

• lose 7 electrons

• gain 1 valence electron

• lose 1 valence electron

• gain 2 more valence electrons