
Chemická vazba
Authored by Jakub Sovis
Chemistry
11th Grade
Used 5+ times

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21 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Jak vznikají molekuly?
Rozštěpí se atomy
spojí se 2 elektrony v atomovém obalu
atomy se spojí do větších celků
v jádře se spojí protony a neutrony
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Je pravda, že se látky s kovalentní vazbou nevedou elektrický proud?
Ne, vedou
vedou pouze v roztaveném stavu
ano
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaký typ vazby se vyskytuje v NaCl (chlorid sodný)?
kovalentní
kovová
iontová
koordinačně kovalentní
4.
MULTIPLE SELECT QUESTION
20 sec • 3 pts
Vazba sigma vzniká překryvem orbitalů:
s-s
s-p
p-p
s - d
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Kolikativazný je uhlík (C)?
jednovazný
dvojvazný
trojvazný
čtyřvazný
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Jaká vazba je na spojnici jader obou atomů?
nakresli řecké písmeno
sigma (σ)
pí (π)
7.
MULTIPLE SELECT QUESTION
30 sec • 4 pts
Vyber všechny vlastnosti látek s iontovou vazbou
tvrdé
křehké
vysoké body tání
dobrá rozpustnost ve vodě
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