
Bloc P 3.3
Authored by E Evans
Chemistry
12th Grade
Used 13+ times

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15 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Pa elfennau yn y bloc p sy'n arddangos natur amffoterig?
Alwminiwm
Plwm
Sinc
Magnesiwm
2.
CATEGORIZE QUESTION
3 mins • 3 pts
Trefnwch yr elfennau i'r cyflwr ocsidiad mwyaf sefydlog iddynt:
Groups:
(a) +2
,
(b) +4
,
(c) +3
,
(d) +5
Nitrogen
Carbon
Ffosfforws
Plwm
Silicon
Bismwth
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pa elfen sy'n gallu ehangu ei wythawd?
Carbon
Ocsigen
Ffosfforws
Fflworin
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pa elfen yn y bloc p sy'n electron ddiffygiol?
Boron
Nitrogen
Silicôn
Plwm
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Pa gyfansoddyn plwm sy'n ffurfio gwaddod gwyn?
Plwm(II) clorid
Plwm(II) hydrocsid
Plwm(II) nitrad
Plwm(II) iodid
6.
DRAG AND DROP QUESTION
1 min • 1 pt
Dim ond 3 electron sydd gan atomau (a) i fondio. Wrth ffurfio cyfansoddyn gyda Chlorin, byddai'r sylwedd yn (b) felly mae'n ffurfio (c) gyda bondiau (d) wrth y clorin.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dewiswch yr hafaliad lle mae plwm ocsid yn adweithio fel bas
PbO + 2HCl --> PbCl2 + H2O
Pb(OH)2 + 2HCl --> PbCl2 + 2H2O
PbO + 2NaOH --> Na2PbO2 + H2O
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