
Cwis Deunyddiau at Bwrpas
Quiz
•
Other
•
10th Grade
•
Hard

Ryan Newcombe
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Beth yw ion positif?
Ion â mwy o brotonau (+) nag electronau (-)
Ion â mwy o electronau (-) nag protonau (+)
Atom â nifer cyfartal o brotonau ac electronau
Ion â mwy o niwtronau na phrotonau
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Beth yw ion negatif?
Ion â mwy o brotonau (+) nag electronau (-)
Ion â mwy o electronau (-) nag protonau (+)
Atom â nifer cyfartal o brotonau ac electronau
Ion â mwy o niwtronau na phrotonau
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sut mae bondio cofalent yn digwydd?
Trwy drosglwyddo electronau rhwng atomau
Trwy rannu electronau rhwng atomau
Trwy golli electronau
Trwy ennill protonau
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pa fath o fond yw bond cofalent?
Bond rhwng metel ac anfetel
Bond rhwng dau fetel
Bond rhwng dau anfetel
Bond rhwng ionau
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Beth yw priodweddau cyfansoddion ïonig?
Ymdoddbwyntiau uchel iawn
Nid ydynt yn dargludo trydan
Ynysyddion pan yn solid
Mae'n anhydawdd mewn dŵr
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Beth yw defnydd posibl o ffullerenau?
Cynhyrchu trydan
Cyflymu cyffiriau yn y corff
Gwneud teganau
Cynhyrchu bwyd
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pa un o'r briodweddau sydd DDIM yn briodwedd metelau?
Ymdoddbwyntiau uchel iawn
Dargluo Trydan
Ymdoddbwyntiau isel iawn
Dargludo gwres
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