Welcome to the Quiz!
This quiz contains 9 questions from a mix of 1 subtopics.
Select all the properties of diamond.
(Select all that apply).
high melting and boiling point
conducts electricity
doesn't conduct electricity
weak
strong
low melting and boiling point
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Do giant covalent structures have high or low melting points?
high
low
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Diamond and graphite are both made from the element , and are examples of covalent structures. Their atoms are arranged in a regular repeating structure with many multiple covalent bonds between each atom.
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Which of these is an example of a giant covalent structure?
water
diamond
ammonia
carbon dioxide
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Graphite is able to conduct . This is because each carbon atom has one electron, which can move freely, and so is able to carry charge.
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Which structure is shown in the image?
glass
graphite
diamond
carbon
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Which of the following statements are true of diamond?
each carbon atom is bonded to 4 other carbon atoms
it conducts electricity
each carbon atom is bonded to 3 other carbon atoms
it is made up of silicon and oxygen
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Two substances made from the same element, that are in the same physical state, but that have different structures, are called .
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Giant covalent structures have high melting points because there are strong bonds between which require a lot of energy to break.
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