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AQA GCSE Chemistry > 2.3 Nanoparticles (Triple) > Flashcards

2.3 Nanoparticles (Triple) Flashcards

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1
Q

What is nanoscience?

A

A branch of science that studies particles that are 1 - 100nm in size

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2
Q

State the uses of
nanoparticles

A

● Medicine (drug delivery systems)

● Electronics

● Deodorants

● Sun creams (better skin coverage and more effective protection
against cell damage)

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3
Q

What are fine and coarse particles?

A

● Fine particles (soot), 100-2500 nm diameter

● Coarse particles (dust), 2500-105nm diameter

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4
Q

Why do nanoparticles have
different properties to those for the same materials in bulk?

A

Due to their high surface area to volume ratio

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AQA GCSE Chemistry (29 decks)

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