
Legaturile chimice
Authored by Elena Cerbusca
Chemistry
10th Grade
Used 3+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Legatura ionica se formeaza intre atomii:
H si Cl
Na si Cl
O si O
H si S
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Legatura ionica se formeaza in compusul:
KF
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La cedare de electroni
La aditionare de electroni
La cedare si aditionare de electroni
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O legatura ionica tipica formeaza fluorul cu:
hidrogenul
sodiul
fosforul
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Elementul ____ se gaseste in perioada II si are valenta constanta
azot
carbon
oxigen
siliciu
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Legatura covalenta poate fi polara si nepolara
adevarat
fals
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In nodurile retelei cristaline a clorurei de sodiu sunt amplasati ionii cu sarcini opuse
adevarat
fals
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