Mendelejevove príklady
16 concrete stories linking elements to chemistry, physics and measurable properties.
Sodium: one outer electronChlorine: one electron short of a full shellWater: why shape mattersCarbon: four bonds, many structuresNeon: light from transitionsIron: electrons and magnetismUranium: nuclei and timeHelium: a filled first shellOxygen: bonding and reactivitySilicon: networks and semiconductorsCopper: why current flowsHydrogen: same element, different isotopesCalcium: losing two electronsFluorine: strong attraction for bonding electronsArgon: a stable outer shellCarbon-14: a nuclear clock