
L'àtom
Authored by Angel Martín
Chemistry, Physics
9th Grade
Used 76+ times

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21 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Què significa la paraula àtom?
Minúscul
Indivisible
Matèria
Partícula
Answer explanation
El prefix "a" indica negació i la paraula "tomos" significa divisió. Per tant "a-tomos" vol dir "no-divisible".
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Qui va ser el primer en parlar dels àtoms i en establir un model atòmic?
Dalton
Demòcrit
Bohr
Thomson
3.
MULTIPLE SELECT QUESTION
45 sec • 5 pts
Què establia el model atòmic de Dalton?
Tota la matèria està formada per àtoms
Tots els àtoms del mateix element són iguals, i els de elements diferents són diferents
L'àtom consta de protons, neutrons i electrons
Els àtoms tenen nucli i escorça
Els àtoms són indivisibles i no es modifiquen mitjançant reaccions químiques
4.
FILL IN THE BLANK QUESTION
1 min • 5 pts
Els electrons tenen càrrega
5.
FILL IN THE BLANK QUESTION
1 min • 5 pts
Els protons tenen càrrega
6.
FILL IN THE BLANK QUESTION
1 min • 5 pts
Els neutrons, com el seu nom indica, tenen càrrega
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
A aquest model atòmic li deien el model del púding de panses, tot i que a nosaltres potser ens recorda més a un panellet.
Model atòmic de Dalton
Model atòmic de Bohr
Model atòmic de Rutherford
Model atòmic de Thomson
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