Y9 Ionic Bonding

Which one of these is an ion?

• Na

• Na⁺

• Cl₂

• H₂O

What has happened to make Na+ a positive ion?

• Gained a positive proton from another atom

• Gained an electron

• Been charged up with electricity

• Lost an electron

What is the mass number of magnesium?

• 24

• 36

• 12

• 0

How many PROTONS does Magnesium have?

• 24

• 36

• 0

• 12

How many ELECTRONS does Magnesium have?

• 12

• 24

• 36

• 0

How many NEUTRONS does Magnesium have?

• 36

• 12

• 0

• 24

What group is this atom in?

• 2

• 8

• 17

• 7

What has happened to make this chloride ion?

• Lost a positive proton from its nucleus

• Gained an electron

• Been charged up with electricity

• Lost an electron

A calcium atom has an atomic number of 20. What is this diagram showing?

• Ca

• Ca²⁺

• Ca⁺

• Ar

When does ionic bonding happen?

• Between 2 metal atoms

• Between 2 non-metal atoms

• Between metal and a non-metal atoms

• Between two transition metals