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chem

Authored by ch ch

Science

7th Grade

Used 2+ times

chem
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20 questions

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1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

У какого элемента одинаковое число электронов, протонов и нейтронов?

Кислород

Хлор

Сера

Фтор

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Натрий

Na

K

Ba

Ni

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Li

Натрий

Литий

Кальций

Лакмус

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

16

Кислород

Сера

Иридий

Золото

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Какой это химический элемент?

Na

Au

C

Ag

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Какой это химический элемент?

Na

Au

C

Ag

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Какой это химический элемент?

Cu

Ba

Na

Ag

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