kovova vazba Flashcards

1
Q

kde vznika lovova vazba

A

medzu atomami kovovycj prvkov s bizkou elektronegativitoz -> lahko uvolnujz valncne e za vzniku kationov

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2
Q

kde vznika lovova vazba

A

medzu atomami kovovycj prvkov s bizkou elektronegativitoz -> lahko uvolnujz valncne e za vzniku kationov

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3
Q

kationy kovu

A

su usporiadane v kovovej mriezke a uch uvolnene v e su zdielane vsetkymj kationmj sa vznikj elektronoveho plynu

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4
Q

elektricka vodivost

A

zabezpecuju ju lahko pohybujuce sa e v elektronovom plyne

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5
Q

elektricka vodivost

A

zabezpecuju ju lahko pohybujuce sa e v elektronovom plyne

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6
Q

kovovw krsysali

A

vznijz eneehezickw pasy
valwncny - s nuzsou E, obsahuje valencne e ktote boki uvolnene
vodivostny os - s vyssou wnrguou je orazdny

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7
Q

Vodice

A

valecny a vodivostny pas sa navzajom orekryvaju, sz vidive pretoze valecne e prechdzaju t valencneho psu do vodovostneho

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8
Q

polovodice

A

medzu va a vo pasom je zakazany pas so zmenou energie 0,1-3 eV val e po prijatu W prechadzajz cez energwticku barieru zakazany pas do vodivoszneho pasu

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9
Q

izokatiry

A

nevedu elektricky prud pretoze mefzi va a vo psok je siroka enwrgwticka bariera

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