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B2 Checkpoint: Intermolecular forces in solids and liquids

Last updated over 1 year ago

4 Nsɛmmisa

5

Asemmisa {{asɛmmisaAhyɛnsode}}

1.

Categorise these substances according to their crystal lattices when in solid form:

LiOH
Ne
Ca
H₂O
FeS

Atomic crystal lattice
Molecular crystal lattice
Ionic crystal lattice
Metallic crystal lattice

1

1

5

Asemmisa {{asɛmmisaAhyɛnsode}}

2.

Reorder these substances in order from LOWEST melting point to HIGHEST melting point based on their crystal structures (don't look them up as you won't be able to do this in an exam):

NH₃
O₂
HCl
MgCl₂

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3.

Reorder these substances in order from LOWEST melting point to HIGHEST melting point based on their crystal structures (don't look them up as you won't be able to do this in an exam):

H₂O
CO
Zn
He

Asemmisa {{asɛmmisaAhyɛnsode}}

4.

Identify the crystal lattice shown in each diagram:

Ionic crystal lattice
Molecular crystal lattice
Network crystal lattice