Y Metelau Alcalïaidd - Elfennau Grŵp 1
Quiz
•
Chemistry
•
8th - 10th Grade
•
Practice Problem
•
Hard
Jack Griffiths
Used 4+ times
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10 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Dewiswch tri o'r elfennau sydd yng ngrŵp 1 y tabl cyfnodol.
Lithiwm
Haearn
Sodiwm
Potasiwm
Silicon
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Gywir neu'n Anghywir - mae adweithedd grŵp 1 yn cynyddu wrth fynd lawr y grŵp.
Gywir
Anghywir
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Allan o'r elfennau grŵp 1 isod pa un yw'r mwyaf adweithiol?
Lithiwm
Sodiwm
Potasiwm
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Mae _______ yn ffurfio wrth i elfennau grŵp 1 adweithio gyda dŵr.
Asid
Alcali
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Beth yw'r nwy (y swigod) sy'n ffurfio wrth i elfennau grŵp 1 adweithio gyda dŵr?
Ocsigen
Carbon Deuocsid
Hydrogen
Clorin
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pa un sy'n briodwedd elfennau grŵp 1.
Meddal - hawdd i'w dorri
Galed - anodd i'w dorri
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pa un o'r elfennau grŵp 1 sy'n adweithio'n arafach gyda dŵr?
Lithiwm
Sodiwm
Potasiwm
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