Nanoparticles Flashcards

1
Q

What is the value of 1 millimetre to 1 metre?

A

1x10*-3

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2
Q

What is the value of 1 micrometer to 1 metre?

A

1x10*-6

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3
Q

What is the value of 1 nanometre to 1 metre?

A

1x10*-9

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4
Q

What is the diameter of a nano particle?

A

1-100 nano meters.

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5
Q

How many atoms can nano particles contain?

A

Only a few hundred atoms.

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6
Q

What surface area to volume ratio do nano particles have?

A

A large surface area to volume ratio.

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7
Q

What are the uses of nano particles?

A

Medicines, suncreams, cosmetics, deodorants, electronics and catalysts.

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8
Q

What are the risks of nano particles?

A

They can be absorbed into the body and enter cells.

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