
1.2 Strwythyr Atomig & Tabl Cyfnodol
Authored by Kathryn Roberts
Chemistry
9th Grade
Used 1+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O ba ronynnau y mae atomau wedi'u cyfansoddi?
Protonau, niwtronau, ac electronau
Protonau, niwtronau, a ffotonau
Electronau, ffotonau, a chwaciau
Niwtronau, chwaciau, a glwonau
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sut mae electronau wedi'u trefnu mewn atom?
Mewn patrwm ar hap o amgylch y niwclews
Mewn plisg o amgylch y niwclews
Mewn llinell syth trwy'r niwclews
Mewn parau o fewn y niwclews
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Beth mae'r tabl cyfnodol yn ei ddangos?
Pob cyfansoddyn hysbys wedi'i drefnu yn ôl adweithedd
Pob atom hysbys wedi'i drefnu yn ôl màs
Pob moleciwl hysbys wedi'i drefnu yn ôl maint
Pob elfen hysbys wedi'i drefnu yn ôl rhif atomig
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Beth yw enw arall ar elfennau Grŵp 1?
Halogenau
Metelau alcalïaidd
Metelau trosiannol
Nwyon nobl
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gyda beth mae elfennau Grŵp 1 yn adweithio i gynhyrchu hydoddiant alcalïaidd?
Ocsigen
Dŵr
Carbon deuocsid
Hydrogen
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Beth yw enw arall ar elfennau Grŵp 7?
Metelau trosiannol
Nwyon nobl
Halogenau
Metelau alcalïaidd
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pa un o'r canlynol sy'n elfen Grŵp 7 cyffredin?
Heliwm
Sodiwm
Clorin
Calsiwm
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