
Atomi e molecole
Authored by Giandomenico Squeglia
Chemistry
2nd Grade
Used 25+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
La materia è formata da particelle molto piccole chiamate atomi?
Vero
falso
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Le molecole non sono formate da atomi legati tra loro
Vero
Falso
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Quali sono le molecole formate da atomi dello stesso tipo?
H2O
CO2
O2
N2H
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Esistono particelle più piccole dell'atomo? Se si come si chiamano?
no, l'atomo è la particella più piccola
si, si chiamano neutrino, protone, elettrone
si, si chiamano molecola, composto e sostanza
si, si chiamano elettrone, protone, neutrone
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Quali sono le caratteristiche dell' elettrone?
l'elettrone è la particella più grande e ha carica positiva
l'elettrone è la particella più piccola ed ha carica negativa
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Il protone ha una carica positiva ed una massa 2000 volte più grande dell'elettrone?
falso
vero
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Quali sono le caratteristiche del neutrone?
Il neutrone ha una massa simile al protone e non ha nessuna carica
Il neutrone ha una massa simile al protone e ha una carica positiva
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