Atom a molekula
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Hard
Vojta Kočí
Used 6+ times
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18 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Která z následujících látek se bude nejpravděpodobněji vyskytovat ve formě samostatných atomů (a ne molekul)?
zlato
kyslík
voda
dusík
2.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Kolik atomů kyslíku obsahuje molekula kyseliny sírové H2SO4?
1
2
3
4
3.
FILL IN THE BLANK QUESTION
1 min • 15 pts
Molekuly dělíme podle toho, kolik obsahují prvků na jednoprvkové (obsahují jen atomy jednoho prvku)
a ___________ (obsahují atomy různých prvků).
4.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Kolik atomů celkem obsahuje molekula CH4?
2
4
5
8
5.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Správný zápis prvku kobalt je:
Co
CO
6.
MULTIPLE CHOICE QUESTION
45 sec • 12 pts
Urči, která z látek NENÍ sloučenina, ale prvek:
NaOH
O2
CuCO3
voda
kyselina sírová
7.
MULTIPLE CHOICE QUESTION
1 min • 15 pts
Pokud chceme chemicky zapsat dvě osmiatomové molekuly síry, správná možnost je:
S8
2 S8
8 S2
S2
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