chemicka vazba Flashcards

1
Q

co je chemicka vazba

A

sila ktorou su putanw atomy v molekule

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2
Q

sila chemickej vazby

A

vyjadtuje je vazbova alebo disociacna energia
Ev enerhia itora s uvolni pri vzniku vauby
Ed energia potreba na rozstiepenie chemickej vazby
su cislene rovnake lisia sa len znamienkom
cim je vazbkva E vacsia tim je vazba pevnejsia

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3
Q

podmienky vzniku vazby

A

Zrazka atomov - atomy sa musia priblizit natolko aby doslo k prekrivu ich orbitalov medzi tymito atomami viazanymi chemickou vyznou posobia sily pritazlive medhi jadrami a e navzajom a odpudive medzi jadrami navzajom a e navzajom
Elektrony s opacnym spinom

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4
Q

kovalentna vazba

A

charakterizuje ju spolocne zdielanie vazblvych e
pri jej vzniku sa atomy snazia nadobudnut stabilnu el konfiguraciu vzacnych plynob

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5
Q

klasifilacia kovalentnej vazby podoa poctu spolocnycj el parov

A

Jednoducja sigma
Nasobna dvojita Sigma Pi
trojiza pi sigma pi

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6
Q

stupajuca nasobnost

A

so stupajucou nasobnostou vazeb stupa ich pevmost a skracuju sa

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