Povezovanje delcev
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Hard
Simona Zamuda
Used 4+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Med katerimi elementi nastane ionska vez?
Med atomi nekovin.
Med atomi kovin.
Med atomi kovin in nekovin.
Med katerimikoli elementi.
Med elementi žlahtnih plinov, ti so namreč namreč stabilni.
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Reagirata elementa magnezij in kisik. Katera snov nastane? Napiši njeno kemijsko formulo.
Kovalentni kristal MgO
Ionski kristal MgO
Ionski kristal Mg2O
Ionski kristal MgO2
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Imamo snov Li2O. Izberi pravilne zapise formul in imen ionov, ki gradijo ionski kristal.
Kation: Li+
Anion: O2-
Anion: Li+
Anion: Li+
Kation: Li2+
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Katera formula ionske spojine je pravilna?
MgO2
Na2F
Al2O3
CaCl
AlF3
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Na sliki je molekula ene snovi, ki jo zelo dobro poznaš. Kakšne vrste vezi so med posameznimi atomi te snovi.
Polarne kovalentne vezi
Ionske vezi..
Nepolarne kovalentne vezi
Kovinske vezi
Vezi med posameznimi atomi te snovi ne obstajajo.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na sliki je model molekule amonijaka. Kakšna je prostorska oblika molekule?
Linearna
Kotna
Piramidalna
Tetraedrična
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Koliko veznih in koliko neveznih elektronskih parov nastane v molekuli ogljikovega dioksida. Pomagaj si z risanjem strukturne formule.
4 vezni in 4 nevezni elektronski pari.
2 vezna in 2 nevezna elektronska para.
4 vezni in 0 neveznih elektronskih parov.
3 vezni in 1 nevezni elektronski par.
4 veznih in 8 neveznih elektronskih parov.
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