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مين يساعدني في الحل
السلام عليكم ورحمة الله وبركاته
اتمنى من الله ان يكونوا اعضاء المنتدي كلهم بخير
بصراحه عندي اسئله وعرفت احلها الا سؤالين اتمني انكم تساعدوني فيهم لان تسلم الواجب نهايه الاسبوع
السؤال الاول
Given the first ionization energy of H is 13.6 eV, to what electronic transition would you assign the bright red line at 1.89 eV in the emission spectrum of H.
From ****l 1
From ****l 2
From ****l 3
From ****l 4
From ****l 5
From ****l 6
To ****l 1
To ****l 2
To ****l 3
To ****l 4
To ****l 5
To ****l 6
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رد: مين يساعدني في الحل
اما السؤال الثاني فهو
Check all the correct answers. CH2Cl2:
Answer
has one C2 axis of rotation
has two C2 axis of rotation
has three C2 axis of rotation
has one plane of symmetry, σh
has two plane of symmetry, σv
has three planes of symmetry, two σv’s plus one σh
has a center of symmetry, i
belongs to point group C2
belongs to point group C2v
belongs to point group C2h
belongs to point group D2
belongs to point group D2h
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رد: مين يساعدني في الحل
ماعرفت الحل!!!!
لاكن الاخوان يساعدونك....يارب
