9-sinf kimyo 1-chsb 1-variant@summativ_formativ_baholash

9-sinf____-sinf o‘quvchisi _________________________________________ f.i.sh. o‘quvchi to‘plagan umumiy ball:_____ (maksimal ball: 40) i chorak 1-chsb 1(b). davriy sistemaning bosh guruhcha elementlarida elementlar atomlarining tartib nomeri ortib borishi bilan atomlarda qanday xususiyatlar kuzatiladi? a. radius va elektromanfiyligi ortib boradi b. radius kamayadi va metallik xossasi kuchayadi c. radiusi ortib boradi va metallik xususiyati kuchayadi d. massasi ortib boradi va metallmaslik xususiyati kuchayadi 2(b). kimyoviy bog‘lanish turi va unga mos ravishda birikmalarni muvofiqlashtiring. i metall bog‘lanish a) ca ii kovalent bog‘lanish b) so2 iii ion bog‘lanish c) li3po4 d) mgs a. i-c, ii-d, iii- c b. i-a, ii-b, iii- c c. i-d, ii-b, iii- a d. i-a, ii-c, iii- b 3(b). noelektrolit berilga...

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