
N, P, C, Si

Quiz
•
Chemistry
•
7th Grade
•
Hard
Martin Uchnár
Used 1+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Fosfor tvoří molekulu:
P3
P2
P8
P4
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Struktura na obrázku znázorňuje:
diamant
fulleren
grafit
červený fosfor
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Termín jedlá soda označuje látku se vzorcem:
NaHCO3
Na2CO3
CaCO3
K2CO3
4.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Jak se označuje minerál se vzorcem SiO2?
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Křemík patří mezi:
kovy
polokovy
nekovy
alkalické kovy
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxid uhličitý je z hlediska acidobazických vlastností:
amfoterní
zasadotvorný
kyselinotvorný
inertní
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Jaké nejvyšší oxidační číslo může mít ve sloučeninách fosfor?
+III
+V
+I
-III
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