
VALÈNCIES - Grups 13 - 17
Authored by Berta Rubió
Chemistry
4th Grade
Used 6+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quins són els elements que tenen valències (2,4)?
Carboni, Silici, Estany i Plom
Carboni, Silici i Plom
Carboni, Estany i Plom
Carboni, Estronci i Fósfor
2.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Escriu el símbol de l'alumini
(a)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quina valència té l'alumini?
2
3
2,4,6
3,5
4.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Escriu el símbol del sofre:
(a)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quina és la valència del Clor?
2,4
3,5
2,4,6
1,3,5,7
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quina és la valència del Silici?
2
3
4
2,4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quina és la valència del Iode?
3
3,5
3,5,7
1,3,5,7
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