8-sinf 3-chorak testi
Page preview (4 pages)
Scroll down 👇
About "8-sinf 3-chorak testi"
8-sinf 1-chorak 1. avagadro doimiysi qiymati *a) 6,02* 1023 b) 6,002* 10-23 c) 6,03* 1023 d) 6,002* 1024 2.quyidagi elementlarning nomini aniqlang.k, mg, s, si, c, br. a) kalsiy.marganes, oltingugurt, kremniy, uglerod, bor b) kaliy, magniy, oltingugurt, siliat, uglerod, brom *c) kaliy, magnit, oltingugurt, kremniy, uglerod, brom 3. al ionining elektron formulasi quyidagi qaysi formulaga muvofiq keladi? a)1s22s22p4 * b) 1s22s22p63s23p' c)1s22s22p6 d) 1s22s22pb3s2 4. izotonlarga tegishli ta'rifni ko'rsating. a)yadro zaryadlari bir xil, lekin atom massalari turlicha bo'lgan ele-mentlar b)massasi o'za'ro teng, lekin yadro zaryadlari har xil bo'lgan element *c) atom yadrosida neytronlar soni bir xil bo'lgan elementlar d)atom yadrosida neytronlar soni turlicha bo'lgan elementlar 5. moddalar nech...
This file contains 4 pages in DOCX format (39.4 KB). To download "8-sinf 3-chorak testi", click the Telegram button on the left.