
Elements, grups i valències
Authored by FRANCESCA CLADERA
Chemistry
4th Grade
Used 7+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Com s'anomenen els elements químics del grup 2?
Alcalins
Alcalinoterris
Boroides
carbonoides
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Quines valències té el bor?
4 i 2
3 i 1
Només 3
7, 5, 3 i 1
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Com s'anomenen els elements del grup 17?
Gasos nobles
Anfígens
Halògens
Nitrogenoides
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Quin nom té l' element químic de símbol P?
Fósfor
pal·ladi
potassi
plom
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Quines són les valències del nitrogen?
5, 3 i 1
5 i 3
1 i 3
2 i 3
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
A quin grup pertany el brom?
Boroides
Alcalinoterris
Anfígens
Halògens
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Quines són les valències del coure?
1 i 2
1 i 3
2
1
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