Tableau_periodique_des_elements

1 H Hydrogène 1s1 1,008 3 Lithium 1s2 2s1 6,94 +1 4 Béryllium 1s2 2s2 9,012 +2 –1 +1 9,322 5,391 13,59 Li Be 11 Sodium [Ne] 3s1 22,99 +1 12 Magnésium [Ne] 3s2 24,31 +2 7,646 5,139 Na Mg 19 K Potassium [Ar] 4s1 39,10 37 Rubidium [Kr] 5s1 85,47 +1 20 Ca... More

1 H Hydrogène 1s1 1,008 3 Lithium 1s2 2s1 6,94 +1 4 Béryllium 1s2 2s2 9,012 +2 –1 +1 9,322 5,391 13,59 Li Be 11 Sodium [Ne] 3s1 22,99 +1 12 Magnésium [Ne] 3s2 24,31 +2 7,646 5,139 Na Mg 19 K Potassium [Ar] 4s1 39,10 37 Rubidium [Kr] 5s1 85,47 +1 20 Ca Calcium [Ar] 4s2 40,08 38 Strontium [Kr] 5s2 87,62 +2 21 Scandium [Ar] 4s2 3d1 44,96 39 Yttrium [Kr] 5s2 4d1 88,91 +2 +3 +1 +2 +3 6,217 5,694 4,177 6,561 6,113 4,340 Sc Rb Sr Y 55 Césium [Xe] 6s1 132,91 +1 56 Baryum [Xe] 6s2 137,33 +2 57 Lanthane [Xe] 6s2 5d1 138,91 +3 5,577 5,211 3,893 Cs Ba La 22 Ti Titane [Ar] 4s2 3d2 47,87 40 Zirconium [Kr] 5s2 4d2 91,22 +4 23 V Vanadium [Ar] 4s2 3d3 50,94 41 Niobium [Kr] 5s1 4d4 92,91 +3 +5 24 Chrome [Ar] 4s1 3d5 52,00 42 Molybdène [Kr] 5s1 4d5 95,96 +2 +3 +4 +5 +6 +2 +3 +4 +2 +3 +4 +5 +2 +3 +6 7,092 6,758 6,633 6,766 6,746 6,828 Cr Zr Nb Mo 72 Hafnium [Xe] 6s2 4f14 5d2 178,49 +4 73 Tantale [Xe] 6s2 4f14 5d3 180,95 +5 74 Tungstène [Xe] 6s2 4f14 5d4 183,84 +2 +3 +4 +5 +6 7,864 7,549 6,825 Hf Ta W 25 M Less