
Grupi I _faza e pare

Quiz
•
Chemistry
•
12th Grade
•
Medium
Visar Gjaka
Used 1+ times
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25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Njësia për matjen e sasisë së substancës është:
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Formulat molekulare paraqesin:
Numrin e saktë të atomeve në molekulë
Radhitjen e atomeve në molekulë
Raportin më të thjeshtë të atomeve në molekulë
Numrin e protoneve në bërthamë
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Valenca e atomit të azotit në klorurin e amonit NH₄Cl është:
-3
-2
+2
+6
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Sa molekula uji gjenden në 20g ujë?
8,3 × 10²³
6,691 × 10²³
3,69 × 10²³
6,3 × 10²³
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Sa gram oksigjen ka në një dm³ të tij në kushte normale:
2,52 g
1,427 g
1,326 g
2,17 g
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Përqindja e azotit në ure H₂N-CO-NH₂ është
20,35%
60%
28%
46,66%
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Atomi i magnezit (Mg) ndryshon nga joni i tij (Mg²⁺) për nga:
numri i protoneve
numri i neutroneve
numri i elektroneve
numri i masës
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