Formarea ionilor
Authored by Ileana anca Joanta
Chemistry
7th - 9th Grade
Used 18+ times
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8 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
De ce se formeaza ionii
sa aiba viata mai usoara
pentru ca atomii doresc sa aibe 8 electroni pe ultimul strat
ca aiba numar egal de electroni si protoni
sa nu mai aiba neutroni
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Un atom cand primeste electroni va deveni
pozitiv
negativ
neutru
invizibil
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Care este sarcina ionului de sodiu (Na)
+2
+1
-1
-2
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Un atom care accepta electroni va deveni
negativ
pozitiv
neutru
complex
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Daca un element are 3 electroni de valenta ce sarcina va avea ionul format
-2
+3
-3
+2
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Sarcina ionului de oxigen(O) este
-2
+2
-1
+1
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Anionii sunt ioni cu sarcina
pozitiva
negativa
neutra
mare
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