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WorksheetsCore Ideas of Chemistry
Total questions: 10
Worksheet time: 6mins
Which of the following are allotropes of Carbon?
Graphene
Nanotubes
Diamonds
Westminster Fullerene
The diagram to the left is an example of which type of structure?
Metallic
Ionic Lattice
Giant Covalent
Nanotube
Simple covalent molecules have low melting points as they have weak (a) forces between the atoms.
Which of the following shows the empirical formula of the molecule C10H20
C15H30
C2H4
CH2
C10H10
Mass (g) = Moles x ?
RFM (Mr)
RAM
Molar Mass
Mass
A covalent bond is a shared paired of (a) ?
Ionic bonds form between ....
Metal and non-mental atoms
Metal atoms
Non metals
Positive and negative ions
A compound made from Na+ and Cl- ions is called ... ?
sodium chloride
chloride sodium
chloride sodiumate
sodium carbonate
Ionic compounds only conduct electricity when ...
solid
gaseous
molten
fluid
Metallic structures have (a) electrons.
