8-sinf kimyo bsb-2 variant-1 @summativ_formativ_baholash

8-___sinf o‘quvchisi __________________________________________________ f.i.sh. o‘quvchi to‘plagan umumiy ball:_____ (maksimal ball: 30) i chorak bsb-2 1. yadroning musbat zaryadi, protonlar soni va elektronlar soni nimani anglatadi? a. valent elektronlarni b. tartib raqamini c. guruh raqamini d. davr raqamini 2. rasmda qaysi izotoplar ifodalangan. atomlar zarrachalarini yozing. zax zay x _____________________ y _______________________ a_____________________ a_______________________ z_____________________ z_______________________ n0___________________ n0 ______________________ 3. quyidagi zarracha modellaridan foydalanib, litiy va uglerod atomlarining tuzilish diagrammasini chizing. 4. o, cl va ca uchun to‘liq elektron konfiguratsiyalarni yozing. o _________________________________________...

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