8 sinf 4 variant
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vi-variant umumta’lim maktabining 2023-2024-o‘quv yili uchun kimyo fanini o‘zlashtirish darajasini aniqlash uchun test, savol, masala va topshiriqlar 8-___sinf o‘quvchisi ____________________________________ f.i.sh. o‘quvchi to‘plagan umumiy ball:_____ 1(q 4,5 ball)vodorod izotoplaridan deyteriyni aniqlang. 1. 2. 3 a. 1 b. 2 c. 3 d. 3 va 3 2. (q 4,5 ball)qutubli bo‘g‘lanishni aniqlang a) b) c) d) 3. (q 4,5 ball)quyidagi elektron konfiguratsiyasiga ega bo‘lgan elementlarning elektromanfiylik qiymatlarini ortib borish tartibida joylashtiring. 1)…..3s23p32).…3s13)….3s2 3p54)….3s2 5) ….3s23p2 a) 2, 4, 5, 1, 3 b) 4, 1, 5, 2, 3 c) 1, 3, 5, 4, 2 d) 3, 4, 5, 1, 2 4. (q 4,5 ball)ion bog‘lanishli birikma hosil qiluvchi kimyoviy elementlar juftligini aniqlang? 1. 1s22s22p63s1 2. 1s22s22p3 3. 1s22s22p...
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