Question 1
Question
In scientific terms, a material that is not strong is known as a weak material
Question 2
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Which of the following is the definition of ductile?
Question 3
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Metals are good conductors of heat and electricity.
Question 4
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Metals are always shiny.
Question 5
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How many nearest neighbours of opposite charge does each chloride ion in sodium chloride have
Question 6
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The charge on a sulfate ion is +[blank_start]2[blank_end].
Question 7
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A negative bromine atom is known as a [blank_start]bromide[blank_end] ion.
Question 8
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The \(OH^{-}\) ion is known as a
Answer
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Hydroxide ion
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Hydroxyl ion
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Hydride ion
Question 9
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Ionic lattices conduct electricity in their solid form
Question 10
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Which of the following is an example of a giant covalent substance?
Question 11
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Diamond is a good conductor of electricity
Question 12
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All covalent substances have low melting points
Question 13
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Which of the following is diamond not used for?
Answer
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Jewellery
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Drill bits
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Industrial cutting
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Lubricant
Question 14
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Diamond has a tetrahedral unit cell.
Question 15
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Each carbon is bonded to [blank_start]4[blank_end] other carbon atoms in diamond.
Question 16
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Graphite is made up of layers of [blank_start]hexagonal[blank_end] carbon-carbon bonds
Question 17
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Ionic substances have [blank_start]high[blank_end] melting points.
Question 18
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What is this \(C_60\) molecule commonly known as?
Question 19
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Carbon nanotubes are made out of diamond