
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
Radiws ïon+ mawr yn ffitio mwy o ïonau-
Dargludo trydan tra'n hylifol
Van der Waals gwan rhwng y moleciwlau
Gall Iodin sychdarthu'n hawdd.
Ïonau'n rhydd i symud
Dargludo trydan tra'n solid (graffit)
Môr o e- yn symud i leihau gwrthyriad
Wedi amgylchu gan 8 ïon dirgroes
e- dadleoledig rhwng haenau (3 bond C-C)
Nid yw'r sylwedd yn torri'n hawdd
2.
MATCH QUESTION
1 min • 1 pt
Cysylltwch y diagram at yr adeiledd cywir
Metelig
Ionig
Cofalent Enfawr
Cofalent Molecylaidd
3.
CATEGORIZE QUESTION
3 mins • 1 pt
Trefnwch yr enghreifftiau i'r categoriau cywir
Groups:
(a) Ionig
,
(b) Cofalent enfawr
,
(c) Metelig
,
(d) Molecylaidd syml
Sodiwm Clorid
Iodin
Alwminiwm
Cesiwm Clorid
Diemwnt
Sodiwm
Graffit
Iâ
Nanotiwb
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:
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