Povezovanje delcev

Povezovanje delcev

8th Grade

15 Qs

quiz-placeholder

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Povezovanje delcev

Povezovanje delcev

Assessment

Quiz

Chemistry

8th Grade

Hard

Created by

Simona Zamuda

Used 4+ times

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15 questions

Show all answers

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

Media Image

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

Media Image

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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