التفاعلات والمعادلات
1st - 5th Grade
•12 Qs
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التفاعلات والمعادلات
Quiz
•
Chemistry
•
1st - 5th Grade
•
Medium
rema 333
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12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
الصيغة الكيميائية لمركب يحتوي على ايوني N3- و Mg2+ هي
Mg3N2
Mg2N3
NMg3
N3Mg2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
عدد تأكسد عناصر المجموعة الأولى
7+
2+
1+
1-
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
أي مما يلي التوزيع الالكتروني الصحيح للبورون (علما بأن العدد الذري للبورون=5)
1s2 2s2 3s2
1s2 2s2 2p1
1s2 2s3
1s1 2s2 3s2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
سمي المركب الاتي= الهيدروكسيد
OH+
HO-
HO+
OH-
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
التوزيع الالكتروني الصحيح للكلور
1S2 2S2 2P6 3S2 3P6
خطأ
صح
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
اختاري اسم المركب الاتي = NaCl
صوديوم الكلوريد
اكسيد الحديد
كلوريد الصوديوم
كلوريد الكالسيوم
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
طاقة المستوى
3d أعلى من طاقة المستوى
4p
4s
5s
4f
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