Se găsește în perioada a IV-a, subgrupa secundară
Afirmații BAC 2019
12th Grade
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Afirmații BAC 2019
Quiz
•
Chemistry
•
12th Grade
•
Medium
Stela Burcovschi
Used 6+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Zn
P
Ca
I
K
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Are repartizarea electronilor pe niveluri energetice 2ē 8ē 5ē
O
K
I
Ca
P
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Atomul elementului conține în nucleu 19 protoni și 20 neutroni
P
Zn
Ca
K
O
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Formează un compus volatil cu hidrogenul cu formula HE
I
P
O
Zn
Ca
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Formează un oxid superior cu formula EO
P
Ca
K
I
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Manifestă în compuși gradul de oxidare constant -2
O
Zn
Ca
K
P
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Este cel mai activ metal din perioada a IV-a
Ca
K
O
P
Zn
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