Металдар

Металдар

9th Grade

10 Qs

quiz-placeholder

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Металдар

Металдар

Assessment

Quiz

Chemistry

9th Grade

Practice Problem

Hard

Created by

Маржан Кусаинова

Used 4+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Кальций оттекпен әрекеттескенде түзілетін зат:

CaS

CaCl2

  CaO

  Ca(OH)2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Тұрақты тотығу дәрежесі +2 болатын элемент

  калий

  кальций

мыс

  азот

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ең жеңіл металл

Al

Li

K

Mg

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Металдардың активтілік қатарын жасаған

М.И.Усанович

B)  А.М.Бутлеров

Д.И.Менделеев

B)  Н.Н.Бекетов

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Осы металл атомының   электрондық формуласы 1s22s22p63s1

K

Na

Li

Ca

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mn (II) оксидінің формуласы:

  MnО   

MnО2

Mn2О5

Mn2О7

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

4 моль натрий сульфидінің массасы:

40

310

128

312

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