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Chemistry > Nanoparticles > Flashcards

Nanoparticles Flashcards

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1
Q

Why are nanoparticles used in suncreams?

A

They are transparent
Provide protection from the suns ultra violet rays

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2
Q

What are the risks with using nanoparticles?

A

Could have a negative impact on health and the environment

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3
Q

What are nano particles?

A

Particles which are in the range 1-100nm in size and contain a few hundred atoms

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4
Q

How many metres is one nanometre?

A

0.000000001

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Chemistry (9 decks)

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