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8kimyo 14-15-16

Authored by Mahfuza Tosheva

Chemistry

8th Grade

Used 4+ times

8kimyo 14-15-16
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18 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qaysi gazlarning atomlari erkin tabiatda erkin holda mavjud?

inert gazalar

gologenlar

suv gazi

kislotalar

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tashqi energetik qavat tugallanishi uchun nechta elektron kerak?

6

2

8

14

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

metallar tashqi qavatidagi qaysi elektronlarini oson beradi?

p

s

d

f

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

qaysi elemenetlarning tashqi qavatdagi elektroni yadroga kuchliroq tortilib turadi?

hammasi

metalmaslar

metallar

amfoterlar

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

bog'lanishda hosil bo'lgan elektron juftini tortib turish kuchi nima deyiladi?

elektromanfiylik

ionlanish energiyasi

radius

elektronga moyillik

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Elementlarning nisbiy elektromanfiyligi qaysi elementnikiga qarab olingan?

K

H

Li

Na

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Al,Si.P,S,Cl yo'nalishida elektromanfiylik qanday o'zgaradi?

kamayadi

avval ortib keyin kamayadi

avval kamayib keyin ortadi

ortadi

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