tal structureElectron affinityElectron configurationElectronegativityAllenPaulingGoldschmidt classificationMaximum valenceDatapagesAbundanceAtomic radiusBoiling pointCritical pointDensityElasticityElectrical resistivityElectron affinityElectron configurationElectronegativityHardnessHeat capacityHeat of fusionHeat of vaporizationIonization energyMelting pointOxidation stateSpeed of soundThermal conductivityThermal expansion coefficientVapor pressureHistoryElement discoveriesMendeleev's predictionsNamingEtymologycontroversiesplacesscientistsin East AsiaSee alsoIUPACnomenclaturesystematic element nameTrivial nameDmitri Mendeleev Book Category Chemistry PortalvteIsotopes of the chemical elementsGroup12 3456789101112131415161718PeriodHydrogen andalkali metalsAlkalineearth metalsPnicto­gensChal­co­gensHalo­gensNoble gases①Isotopes§ ListH1Isotopes§ Lis