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WorksheetsALLOTROPES OF CARBON
Total questions: 11
Worksheet time: 5mins
Giant Covalent Structures are vast networks of ___ bonded atoms
covalently
ionically
mechanically
weakly
Giant covalent structures such as __ and sand have a very __ melting and boiling points and are usually ___
diamond
carbon dioxide
high
low
hard
Graphite, diamond and Buckminsterfullerene are all allotropes of
Berylium
Silicon
Germanium
Carbon
Giant covalent structures generally ____ conduct electricity
can
cannot
always
normally
______ is the only non-metal to conduct electricity
diamond
silicon
germanium
graphite
_____ can conduct electricity because it has _____ _____
diamond
graphite
localised electrons
delocalised electrons
Allotropes of carbon have the same chemical properties because they have
the same number of electrons
the same number of valence electrons
different number of electrons
the same number of protons
Graphite is soft because
it has strong covalent bonds
its layers can slide over one another due to weak forces between the layers
it has weak van der Waals forces between layers
it is used as a lubricant
Diamond is used for cutting glass because it is
hard and strong
soft
shiny
unreactive
Why is diamond hard and strong? It has
weak intermolecular forces
weak covalent bonds
strong covalent bonds
van der Waals forces of attraction
The structure of graphite, diamond and fullerene are respectively
layered, spherical and tetrahedral
tetrahedral, layered and spherical
layered, tetrahedral and spherical
spherical, tetrahedral and layered
