Elemek, vegyületek, képletek, tömegmegmaradás törvénye

Quiz
•
Chemistry
•
7th - 8th Grade
•
Medium
Józsefné Kőszegi
Used 15+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Melyik elem szilárd halmazállapotú?
Hidrogén
Klór
Szén
Neon
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Melyik elem gáz halmazállapotú?
Kén
Fluór
Higany
Grafit
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Melyik jelölés helytelen?
oxigén gáz = O2
Hidrogén gáz = H2
Ózon = O3
Hélium = He2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hány db atomot tartalmaz a H2SO4 vegyületmolekula? (kénsav)
3
7
6
8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hány db atomot tartalmaz a HCl molekula? (sósav)
2
3
4
1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mennyi a moláris tömege a konyhasónak? (NaCl)
28
58,5
57
56
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mekkora a moláris tömege az etánnak (C2H6)? Melyik számítás helyes?
12*2+1=25
12+1*6=18
12+1=13
12*2+1*6=30
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