Chemický zápis_atom nebo molekula

Chemický zápis_atom nebo molekula

8th Grade

10 Qs

quiz-placeholder

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Chemický zápis_atom nebo molekula

Chemický zápis_atom nebo molekula

Assessment

Quiz

Chemistry

8th Grade

Practice Problem

Medium

Created by

Hana Pavlištíková

Used 18+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Jeden atom kyslíku

H

O2

O

2 O

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Tři dvouatomové molekuly chloru

3 Cl2

3 Cl

2 Cl3

Cl3

3.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Dvouatomová molekula dusíku

N2

2 N

2 N2

H2

4.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Pro některé prvky je typický výskyt ve formě dvouatomových molekul. Vyber a označ pravdivé zápisy:

H2 ; Cl2 ; O2 ; He2

H2 ; Cl2 ; O2 ; N2

Ar2 ; N2 ; F2 ; O2

I2 ; Br2 ; H2 ; N2

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Dvě molekuly ozonu (tříatomová molekula kyslíku)

2 O3

3 O2

2 O

2 O2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Chemický vzorec sloučeniny složené z 1 atomu uhlíku a 2 atomů kyslíku

O2C

CO2

C2O

2 CO

7.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Tři atomy kyslíku

O3

3 O

3 O2

O O O

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