
KEMIJSKE VEZE
Authored by Ivana Petric
Chemistry
1st Grade
Used 12+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Koja je od navedenih tvrdnji točna?
ionska veza ne nastaje stvaranjem zajedničkih elektronskih parova između atoma koji se povezuju
ionska veza nije usmjerena u prostoru
ionski spojevi, u čvrstom stanju, građeni su od iona
radijus kationa manji je od radijusa električki neutralnog atoma istog elementa
sve tvrdnje su točne
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ionska veza nastat će između atoma elemenata:
N i O
C i O
H i O
S i O
K i O
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Što je veća razlika u elektronegativnosti između atoma nekih dvaju elemenata, veza između njih imat će veći ionski karakter.
točno
netočno
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Formulska jedinka predstavlja najmanji omjer broja iona u nekom spoju.
točno
netočno
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kovalentna veza nastat će između atoma elemenata:
Na i O
C i S
K i Cl
Cs i F
ništa od navedenog
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kovalentna veza nastaje:
tako što atom metala predaje jedan ili više valentnih elektrona atomu nemetala
tako što atom nemetala predaje jedan ili više valentnih elektrona atomu metala
tako što dolazi do stvaranja zajedničkog elektronskog para između atoma koji stvaraju kovalentnu vezu
ništa od navedenog
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
U kojoj su od navedenih molekula atomi povezani trostrukom kovalentnom vezom?
O2
O3
N2
Cl2
H2
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