Molecula din imagine se numește:
Atomi, ioni, molecule

Quiz
•
Chemistry
•
7th Grade
•
Medium
Gozner Anamaria
Used 2+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Metan
Etan
Propan
Pentan
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Alegeți atomul care își realizează octetul prin cedarea electronilor de valență:
Cl
O
S
Na
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Molecula de amoniac este reprezentată în figura:
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Procesul prin care se formează un compus ionic prin cedare/acceptare de electroni se numește:
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Într-o moleculă de apă prin punerea în comun a electronilor, atomul de oxigen și-a format pe stratul de valență:
OCTETUL
DUBLETUL
Nici un răspuns nu este corect.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Concentrația procentuală masică se calculează cu formula:
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Ionii se formează prin cedare sau acceptare de electroni.
ADEVĂRAT
FALS
8.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Valența nu are legătură cu numărul electronilor acceptați, cedați sau puși în comun.
ADEVĂRAT
FALS
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