
TEST CHIMIE ANORGANICA NR 2
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Medium
IRINA MARIN
Used 4+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Clorura de sodiu:
conduce curentul electric în stare solidă
nu conduce curentul electric în stare topită;
se dizolvă în apă
se dizolvă în tetraclorură de carbon
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Numărul orbitalilor complet ocupați din învelişul electronic al ionului de clor (Z=17) este egal cu:
9
8
7
6
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
. Solubilitatea dioxidului de carbon în apǎ:
creşte la creșterea temperaturii;
nu este influenţatǎ de modificarea presiunii;
nu este influenţatǎ de modificarea temperaturii;
crește la creşterea presiunii
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Seria care conține formule chimice scrise în ordinea crescătoare a numǎrului de oxidare a sulfului este:
CaSO4, SO2, MgS, S
H2S, S, Na2SO3, SO3
S, SO2, H2SO3, K2S
S, SO2, H2SO4, H2S
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Referitor la combinația complexă [Ag(NH3)2]OH este adevărat că:
onul hidroxid are rol de ligand
moleculele de amoniac au rol de liganzi
ionul complex are sarcină electrică negativă
numărul de coordinare este 3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Masa unui atom este concentrată în nucleul acestuia.
A
F
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Electronii aflați în stratul K al învelișului electronic al unui atom au energia cea mai mare
A
F
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