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Dobry vecer.
Chcela by som poprosit poradit ohladne postupu ako pocitat tento priklad. Naozaj by som rada chapala postup, nepotrebujem vediet iba vysledok..
Dakujem
Vyberte z uvedených častíc dvojatómové molekuly: H2 , H2O , HBr , N2 , NaCl , CO2 , NO , 2He. moja odpoveď : H2 , HBr , N2 , NaCl , 2He , NO = no nie som si istá a ešte som si nie je istá…
s touto otázkou si neviem rady (viď. obrázok) A ešte táto otázka neviem či to má byť takto: "Atóm prvku má v obale 80 elektrónov. Čo viete určiť z tejto informácie ?" - Podľa mňa - je to ortuť a…
doučma.sk
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