Binding energy

The binding energy describes the amount of energy that must be supplied to a molecule to completely split its covalent bond. It depends on, among other things, the bond length, polarity and type of bond.

ElementBinding energy
1HHydrogen218 kJ·mol-1
2HeHelium0 kJ·mol-1
3LiLithium159 kJ·mol-1
4BeBeryllium324 kJ·mol-1
5BBoron563 kJ·mol-1
6CCarbon717 kJ·mol-1
7NNitrogen473 kJ·mol-1
8OOxygen249 kJ·mol-1
9FFluorine79 kJ·mol-1
10NeNeon0 kJ·mol-1
11NaSodium107 kJ·mol-1
12MgMagnesium146 kJ·mol-1
13AlAluminum326 kJ·mol-1
14SiSilicon456 kJ·mol-1
15PPhosphorus315 kJ·mol-1
16SSulfur279 kJ·mol-1
17ClChlorine122 kJ·mol-1
18ArArgon0 kJ·mol-1
19KPotassium89 kJ·mol-1
20CaCalcium178 kJ·mol-1
21ScScandium378 kJ·mol-1
22TiTitanium471 kJ·mol-1
23VVanadium515 kJ·mol-1
24CrChromium397 kJ·mol-1
25MnManganese281 kJ·mol-1
26FeIron415 kJ·mol-1
27CoCobalt426 kJ·mol-1
28NiNickel431 kJ·mol-1
29CuCopper338 kJ·mol-1
30ZnZinc131 kJ·mol-1
31GaGallium277 kJ·mol-1
32GeGermanium377 kJ·mol-1
33AsArsenic302 kJ·mol-1
34SeSelenium227 kJ·mol-1
35BrBromine112 kJ·mol-1
36KrKrypton0 kJ·mol-1
37RbRubidium81 kJ·mol-1
38SrStrontium164 kJ·mol-1
39YYttrium425 kJ·mol-1
40ZrZirconium605 kJ·mol-1
41NbNiobium733 kJ·mol-1
42MoMolybdenum659 kJ·mol-1
43TcTechnetium661 kJ·mol-1
44RuRuthenium652 kJ·mol-1
45RhRhodium556 kJ·mol-1
46PdPalladium377 kJ·mol-1
47AgSilver285 kJ·mol-1
48CdCadmium112 kJ·mol-1
49InIndium243 kJ·mol-1
50SnTin302 kJ·mol-1
51SbAntimony262 kJ·mol-1
52TeTellurium197 kJ·mol-1
53IIodine107 kJ·mol-1
54XeXenon0 kJ·mol-1
55CsCaesium76 kJ·mol-1
56BaBarium182 kJ·mol-1
57LaLanthanum431 kJ·mol-1
58CeCerium423 kJ·mol-1
59PrPraseodymium356 kJ·mol-1
60NdNeodymium328 kJ·mol-1
61PmPromethium350 kJ·mol-1
62SmSamarium207 kJ·mol-1
63EuEuropium175 kJ·mol-1
64GdGadolinium398 kJ·mol-1
65TbTerbium389 kJ·mol-1
66DyDysprosium290 kJ·mol-1
67HoHolmium301 kJ·mol-1
68ErErbium317 kJ·mol-1
69TmThulium232 kJ·mol-1
70YbYtterbium152 kJ·mol-1
71LuLutetium428 kJ·mol-1
72HfHafnium621 kJ·mol-1
73TaTantalum782 kJ·mol-1
74WTungsten860 kJ·mol-1
75ReRhenium776 kJ·mol-1
76OsOsmium789 kJ·mol-1
77IrIridium671 kJ·mol-1
78PtPlatinum565 kJ·mol-1
79AuGold368 kJ·mol-1
80HgMercury64 kJ·mol-1
81TlThallium182 kJ·mol-1
82PbLead195 kJ·mol-1
83BiBismuth207 kJ·mol-1
84PoPolonium142 kJ·mol-1
86RnRadon0 kJ·mol-1
87FrFrancium(64 kJ·mol-1)
88RaRadium159 kJ·mol-1
89AcActinium406 kJ·mol-1
90ThThorium598 kJ·mol-1
91PaProtactinium607 kJ·mol-1
92UUranium536 kJ·mol-1