Verifica: le reazioni chimiche

Quiz
•
Science
•
7th Grade
•
Medium
Matteo Deidda
Used 2+ times
FREE Resource
28 questions
Show all answers
1.
OPEN ENDED QUESTION
3 mins • 2 pts
Che cosa afferma la regola dell'ottetto?
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2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nei legami chimici in genere i metalli tendono a cedere elettroni e formano ioni positivi mentre i non metalli tendono ad acquistare elettroni formando ioni negativi.
vero
falso
3.
OPEN ENDED QUESTION
3 mins • 2 pts
Scrivi quali sono i tipi di legami chimici che conosci
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4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Seleziona tutti i gas nobili
argon (Ar)
calcio (Ca)
neon (Ne)
ossigeno (O)
cloro (Cl)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Il legame covalente si forma tra
atomi di metalli
atomi di metalli e atomi di non metalli
atomi di non metalli
protoni
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Il legame ionico si forma tra
atomi di non metalli
atomi di metalli e atomi di non metalli
atomi di metalli
neutroni
7.
OPEN ENDED QUESTION
3 mins • 2 pts
Osserva attentamente l'atomo di cloro e rispondi alle seguenti domande:
a) quanti elettroni ha l'atomo di cloro nel guscio più esterno?
b) l'atomo di cloro è stabile o instabile? Motiva la risposta
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