Chemistry: Bonding, Structure and properties of matter

What ions does group 1 form?

What ions does group 2 form?

What ions does group 3 form?

What ions does group 5 form?

What ions does group 6 form?

What ions does group 7 form?

Ionic bonding is when a metal _____ its outer shell electrons and a non-metal _____ those electrons for them both to obtain full outer shells. They are strongly attracted to one another by ____________ forces.

Tick the properties of ionic compounds.

• structure - giant ionic lattice

• high mp and bp

• low mp and bp

• conduct electricity when molten

• all-round attraction

covalent bonding is when ___-metal atoms bond together by _______ pairs of electrons.

simple molecular substances are held together by ________ bonds but have weak _____________ forces between the molecules, making their melting points ___.