
prova

Quiz
•
Science
•
9th Grade
•
Easy
Elisabetta Livrieri
Used 1+ times
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Il simbolo dell'azoto è....
N
O
H
Au
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
L'elettrone ha carica
Neutra
Positiva
Negativa
Multipla
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Il ph acido ha valore compreso tra
7-8
0-5
10-14
9-14
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
la molecola dell'acqua contiene
due atomi di ossigeno
due atomi di idrogeno
due atomi di azoto e uno di idrogeno
due atomi di idrogeno e uno di ossigeno
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
l'idrossido di sodio è un...
acido
sale
base
ione
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
la regola dell'ottetto
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