
solidau bl 12 cwis damwain

Quiz
•
Chemistry
•
11th Grade
•
Hard
E Evans
FREE Resource
Student preview

8 questions
Show all answers
1.
MATCH QUESTION
1 min • 1 pt
Cysylltwch y briodwedd gyda'r esboniad
e- dadleoledig rhwng haenau (3 bond C-C)
Nid yw'r sylwedd yn torri'n hawdd
Môr o e- yn symud i leihau gwrthyriad
Dargludo trydan tra'n solid (graffit)
Ïonau'n rhydd i symud
Dargludo trydan tra'n hylifol
Van der Waals gwan rhwng y moleciwlau
Gall Iodin sychdarthu'n hawdd.
Radiws ïon+ mawr yn ffitio mwy o ïonau-
Wedi amgylchu gan 8 ïon dirgroes
2.
MATCH QUESTION
1 min • 1 pt
Cysylltwch y diagram at yr adeiledd cywir
Metelig
Cofalent Molecylaidd
Ionig
Cofalent Enfawr
3.
CLASSIFICATION QUESTION
3 mins • 1 pt
Trefnwch yr enghreifftiau i'r categoriau cywir
Groups:
(a) Ionig
,
(b) Cofalent enfawr
,
(c) Metelig
,
(d) Molecylaidd syml
Iodin
Alwminiwm
Graffit
Diemwnt
Nanotiwb
Sodiwm
Sodiwm Clorid
Iâ
Cesiwm Clorid
4.
DRAG AND DROP QUESTION
1 min • 1 pt
Mae diemwnt yn (a) gan ei fod yn gwneud (b) bond i garbonau eraill ac felly (c) i gludo cerrynt. Mae'n galed gan bod adeiledd (d) ganddo.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pam bod dwysedd dŵr yn cynyddu wrth iddo rhewi?
Bondiau Hydrogen yn ffurfio'n barhaol
Bondiau cofalent yn ffurfio'n barhaol
Atyniadau rhwng hydrogen ac ocsigen
Cyfaint yn ehangu ar dymheredd uwch
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Rhif Cyd-drefnol NaCl yw:
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Rhif Cyd-drefnol CsCl yw:
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sodiwm Clorid
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