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B2 Checkpoint: Intermolecular forces in solids and liquids

Posljednje ažuriranje over 1 year ago

4 questions

5

Pitanje 1

1.

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

H₂O
LiOH
FeS
Ca
Ne

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

1

1

5

Pitanje 2

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):

O₂
MgCl₂
HCl
NH₃

Pitanje 3

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

Pitanje 4

4.

Identify the crystal lattice shown in each diagram:

Ionic crystal lattice
Molecular crystal lattice
Network crystal lattice