
solidau bl 12 cwis damwain
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
E Evans
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8 questions
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1.
MATCH QUESTION
1 min • 1 pt
Cysylltwch y briodwedd gyda'r esboniad
e- dadleoledig rhwng haenau (3 bond C-C)
Dargludo trydan tra'n solid (graffit)
Van der Waals gwan rhwng y moleciwlau
Nid yw'r sylwedd yn torri'n hawdd
Radiws ïon+ mawr yn ffitio mwy o ïonau-
Gall Iodin sychdarthu'n hawdd.
Ïonau'n rhydd i symud
Wedi amgylchu gan 8 ïon dirgroes
Môr o e- yn symud i leihau gwrthyriad
Dargludo trydan tra'n hylifol
2.
MATCH QUESTION
1 min • 1 pt
Cysylltwch y diagram at yr adeiledd cywir
Cofalent Molecylaidd
Ionig
Cofalent Enfawr
Metelig
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
Alwminiwm
Diemwnt
Iâ
Nanotiwb
Cesiwm Clorid
Sodiwm
Sodiwm Clorid
Graffit
Iodin
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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