
Grupi II_faza I
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Hard
Visar Gjaka
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Materie është:
Çdo gjë që nuk ka masë dhe nuk zë vend në hapësirë
Çdo gjë që ka masë
Çdo gjë që ka masë dhe zë vend në hapësirë
Çdo gjë që zë vend në hapësirë
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Formulat strukturore 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
30 sec • 1 pt
Sa valente është azoti në jonin amonium NH₄⁺?
+1
+3
-3
-5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Çfarë vëllimi zë 40g oksigjen në kushte normale?
5,6 dm³
28 dm³
40 dm³
8,2 dm³
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sa mol ujë përmban një kg ujë?
18 mol
55,55 mol
100 mol
25,56 mol
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Është dhënë izotopi i silicit ²⁹₁₄Si. Tregoni numrin e protoneve të tij:
29
14
15
43
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Elementi me numër atomik 78 dhe numër masiv 195 ka:
153 neutrone
127 neutrone
78 neutrone
117 neutrone
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