ما هو اقوي الفلزات صلابة علي الاطلاق

العناصر الانتقالية ٢

Quiz
•
Chemistry
•
9th - 12th Grade
•
Hard
Ayman Ali
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
تيتانويم
فانديوم
سكانديوم
خارصين
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
ما المادتين المستخدمتين كمبيد للفطريات
Cr2O3 , CuSO4
ZnO , ZnS
MnO2 , KMnO4
CuSO4 , MnSO4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
اي حالة تاكسد تتفق فيها معظم فلزات العناصر الانتقالية في الدورة الرابعة
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
اي مما يلي يحتوي علي اكبر عدد من الالكترونات المفردة في المستوي الفرعي الاخير
Zn
Fe+3
Fe+2
Zn+2
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
اي من المركبات التالية يكون فيها ايون المنجنيز اكثر استقرارا
MnO
MnO2
Mn3O4
Mn2O3
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
الايونات التي لها التركيب الالكتروني [Ar]18 3d6
Mn+2 \ Co+2
Fe+2 \ Co+3
Fe+3 \ Cr+3
Cr+2 \ Mn+3
7.
FILL IN THE BLANK QUESTION
2 mins • 5 pts
رتب تنازلياً علي حسب ثبات المائي لمحاليل الايونات الاتية
Mn+2 , Cr+2 , Fe+2 , Co+2
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