adeiledd cofalent enfawr (graffit) Flashcards

1
Q

beth yw priodweddau graffit?

A
  • meddal
  • ymdoddbwynt uchel
  • berwbwynt uchel
  • dargludo
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2
Q

pam ydy graffit yn meddal?

A

bondiau gwan rhwng yr haenau = haenau’n gallu llithro dros ei gilydd

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3
Q

pam ydy graffit gyda ymdoddbwynt / berwbwynt uchel?

A

cynnwys bondiau cofalent cryf

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4
Q

pam ydy graffit yn gallu dargludo?

A

electronnau rhydd rhwng yr haenau

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5
Q

beth ydy graffit yn cael ei defnyddio am?

A

pensiliau + iraid

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