26. leckéhez: képletek ismerete_7. osztály
Quiz
•
Science
•
7th - 9th Grade
•
Practice Problem
•
Hard
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20 questions
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1.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Mi a metán képlete?
NH3
CH4
HCl
H2O
2.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Mi az ammónia képlete?
NH3
CH4
HCl
H2O
3.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
A hidrogén-klorid képlete (szabályosan írd, számít a nagybetű!):
4.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Hogyan jelljük reakcióegyenletben a szenet?
5.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Hogyan jelöljük reakcióegyenletben a hidrogént?
H
Hi
H2
6.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Hogyan jelöljük reakcióegyenletben a nitrogént?
Ni
N
N2
Na
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Magnézium-klorid képlete
MgCl
MgCl2
Mg2Cl
MgCl3
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