Tabelul periodic
Quiz
•
Chemistry
•
7th Grade
•
Medium
NICULAE ANCA
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Numărul grupelor principale din tabelul periodic este de:
7
8
10
18
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perioadele Tabelului periodic sunt:
Linii orizontale
Coloane verticale
Separate de linia în zig-zag
În număr de 18
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Grupa principală II A se mai numește:
Grupa metalelor alcaline
Grupa metalelor pământoase
Grupa pământurilor rare
Grupa metalelor alcalino-pământoase
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
În perioada 1 se găsesc .... elemente:
2
8
18
32
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
În perioada a 2-a se găsesc .... elemente:
2
8
18
32
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
În Tabelul periodic numărul metalelor este ....... numărul nemetalelor
egal cu
mai mic sau egal cu
mai mare decât
mai mic decât
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Numărul de elemente din șirul lantanidelor este:
8
18
28
14
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