El científic descobridor de l’electró fou...

Àtom

Quiz
•
Chemistry
•
9th Grade
•
Medium
Maite VL
Used 8+ times
FREE Resource
30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thomson
Rutherford
Chadwick
Bohr
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
L’àtom està format per
Electrons
Protons
Neutrons
Nucleons
Positrons
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El nombre màssic (A) representa
La suma de protons i neutrons
La suma de protons i electrons
La suma de protons, electrons i neutrons
El nombre totals de protons
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El nombre atòmic (Z) representa
El nombre de protons
El nombre de neutrons
La suma de protons i neutrons
La quantitat de partícules que té
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quan un àtom neutre perd electrons, es converteix en
Un isòtop
Un anió
Un catió
No pot perdre electrons
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Els isòtops, són àtoms d’un mateix element que es diferencien en
El nombre de neutrons
El nombre de protons
El nombre d’electrons
En el tamany
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un element té nombre atòmic 12. Si perd dos electrons, amb quina càrrega es queda?
- 2
+ 2
0
+ 1
- 1
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