gronynnau nano Flashcards

1
Q

beth yw gronynnau nano?

A

gronynnau bach maint 1x10(-9)m, graddfa a 1-100nm

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2
Q

beth yw priodweddau gronynnau arian nano-raddfa?

A
  • gwrthfacteria
  • gwrthfirysol
  • gwrthffyngol
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3
Q

beth yw defnydd gronynnau arian nano-raddfa?

A
  • lleinin oergell
  • golchydd clwyfau
  • sanau cerdded
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4
Q

beth yw’r 2 defnydd gronynnau titaniwm deuocsid nano-raddfa?

A
  1. eli haul
    (gallu cael ei amsugno mewn i’r croen)
  2. cynhyrchion bwyd
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5
Q

beth yw problemau defnyddio gronynnau nano?

A

dim yn gwybod ei heffaith hir dymor ar y corff

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6
Q

beth yw defnydd swmp?

A

maent arferol

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7
Q

beth yw’r gwahaniaeth wrth atomau unigol a defnydd swmp?

A

arwynebedd arwyneb mwy

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