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What is nanotechnology?
The use and control of tiny matter.
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What is the tiny matter used in nanotechnology called?
Nanoparticles.
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What are the advantages of nanotechnology?
You can get into the body easier, so can be used for delivering drugs.
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Why is graphite soft?
Because it has weak intermolecular forces between its layers.
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How many bonds does graphite make?
4
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List poperties of giant covalent structures.
High melting and boiling points and don't conduct electricity.
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What is the name for free electrons?
Delocalised electrons.
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What are the disadvantages of nanotechnology?
It hasn't been around for that long so we don't know the long term effects, could be toxic.
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List uses of nanotechnology.
Sports equipment: nanoparticles are added to materials to make them stronger whilst often being lighter. They have been used in tennis rackets, golf clubs and shoes clothing: silver nanoparticles have been added to socks. This stops them from absorbi
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On an element on the periodic table, which number is the mass number?
The top number.
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On an element on the periodic table, which number is the atomic number?
The bottom number.
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What is the number of neutrons equal to?
Neutrons + Protons.
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Wha is the number of protons equal to?
The atomic number.
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What is the number of neutrons equal to?
The mass number - The atomic number
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What are the masses of protons, neutrons and electrons?
Protons: 1. Neutrons: 1. Electrons: 0.
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What is the number of electrons equal to?
The atomic number (electrons are same as protons).
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Other cards in this set

Card 2

Front

What is the tiny matter used in nanotechnology called?

Back

Nanoparticles.

Card 3

Front

What are the advantages of nanotechnology?

Back

Preview of the front of card 3

Card 4

Front

Why is graphite soft?

Back

Preview of the front of card 4

Card 5

Front

How many bonds does graphite make?

Back

Preview of the front of card 5
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