I numeri che descrivono un atomo
Quiz
•
Chemistry, Science
•
6th - 8th Grade
•
Practice Problem
•
Hard
Letizia Mazza
Used 19+ times
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Il numero atomico indica il numero di...
protoni + neutroni
protoni
neutroni + elettroni
neutroni
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Il numero atomico si indica con la lettera...
A
S
Z
N
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gli isotopi...
sono elementi diversi.
hanno lo stesso numero di protoni.
hanno lo stesso numero di neutroni.
non esistono.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Il numero di massa indica...
il numero di protoni.
la differenza tra protoni e neutroni.
la somma di protoni ed elettroni.
la somma di protoni e neutroni.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Il numero di massa si indica con la lettera...
A
S
Z
N
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La massa atomica...
indica il numero di protoni.
indica il numero di elettroni.
indica il numero di neutroni.
tiene conto degli isotopi presenti in natura.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Per indicare un isotopo, si deve scrivere il simbolo dell'elemento con il numero di massa...
in alto a destra.
in basso a destra.
in alto a sinistra.
in basso a sinistra.
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