Sledeci put kada zelis da postavis pitanje, gledaj da to sto pitas bude ispravno.
"A new scientific truth does not triumph by convincing opponents and making them see the light, but rather because its opponents eventually die, and a new generation grows up that is familiar with it"Max Planck
Nista ne valja u tvom
Nista ne valja u tvom pitanju.
Valenca jedinjenja?
Postojanje NO3, SO4?
Sledeci put kada zelis da postavis pitanje, gledaj da to sto pitas bude ispravno.
"A new scientific truth does not triumph by convincing opponents and making them see the light, but rather because its opponents eventually die, and a new generation grows up that is familiar with it" Max Planck