الباب الثانى2ث
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Hard
msalama abdelfattah
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22 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
عدد العناصر النبيلة التي تحتوي ذراتها علي الكترونات لها عدد كم ثانوي = 1 هو ……………….؟
4
5
6
7
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
( 35Br - , 38Sr2+ , 37Rb+ ) ترتيب الأيونات الاتية تصاعديا حسب جهد التأين كالتالي .............؟
Rb + > Br - > Sr 2+
Sr 2+ > Rb + > Br -
Br - > Rb + > Sr 2+
Br - > Sr 2+ > Rb +
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
العدد الذري لعنصر من الدورة الخامسة تحتوي ذرتة علي اوربيتالين فقط من أوربيتالات
بالالكترونات هو ...............d مشبعة
45
46
52
53
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
نصف قطر ذرة الفلور يعرف بأنه ..............؟
المسافة بين النواه وأبعد إلكترون
نصف المسافة بين ذرتين متحدين
F2 نصف المسافة بين مركزي الذرتين في جزئ
HF نصف المسافة بين مركزي الذرتين في جزئ
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
ترتب الاصناف الاتية حسب جهد التاين ( O8 , O2+8 , O-28 ) كالتالي
O2+ < O < O2-
O < O2+ < O2-
O < O2- < O2+
O-2 < O < O+2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
العنصر الذي تركيبه الالكتروني الخارجي nP4 , nS2 وتحتوي ذراته علي 5 مستويات طاقة رئيسية عددة الذري = .......................
40
42
52
84
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
اذا كان جهد التأين الاول لعنصر الكلوريساوي 1251 فان جهد التأين عنصر اليود يساوي ……………KJ\mol
1000
2500
1400
1251
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