Chemical Bond- Ionic Bond

Which of the following is NOT a property of ionic compounds?

• They conduct electricity when molten

• They conduct electricity when in solution

• They have high boiling points

• They are insoluble in water

What is the charge on an Aluminium ion?

• 3

• +3

• +2

• +1

What is the charge on a chloride ion?

• -1

• 1

• +2

• +1

What is the charge of Neon?

• 0

• +1

• -1

• 1

How many valence electrons does calcium have?

• 2

• 4

• 6

• 7

When an atom loses an electron, it becomes a:

• positive ion

• negative ion

• neutral ion

• neutral atom

When an atom loses an electron, it becomes a:

• positive ion

• negative ion

• neutral ion

• neutral atom

Magnesium bromide is an ionic compound with the chemical formula MgBr₂.  What does the "2" tell you?

• There are 2 bromide ions for every magnesium ion
• Bromide has a 2- charge
• Bromide has a 2+ charge
• There are 2 magnesium ions to every bromide ion

In the chemical formula for an ionic compound, which item is written first?

• positive ion
• negative ion
• subscript
• the female

In what form can an ionic compound conduct electricity?

• when dissolved in water
• as a solid
• as a crystal
• when warmed slightly