8. DEGUONIS

Quiz
•
Chemistry
•
8th Grade
•
Medium
Vygandas Marozas
Used 27+ times
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Deguonies atomo sandara yra:
8 protonai, 8 neutronai ir 8 elektronai
16 protonų, 16 neutronų ir 8 elektronai
8 protonai, 16 neutronų ir 8 elektronai.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Deguonies oksidacijos laipsnis yra:
61
-2
+3
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Deguonies santykinė atominė masė yra:
10
16
26
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Deguonies santykinė molekulinė masė yra:
16
25
32
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Deguonis yra:
labiausiai paplitęs elementas visatoje
labiausiai paplitęs elementas Žemėje
labiausiai paplitęs elementas atmosferoje
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Deguonies molekulė susideda iš:
vieno atomo
dviejų atomų
trijų atomų
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Deguonis normaliosiomis sąlygomis (kai temperatūra 0oC, o slėgis 1,013*105 Pa) yra:
dujos
skystis
kietoji medžiaga
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