Éléments, produits chimiques et chimie

🔎
# Symbole Nom Masse atomique Configuration électronique
1 H Hydrogène 1.00794 1s1
2 He Hélium 4.002602 1s2
3 Li Lithium 6.941 [He] 2s1
4 Be Béryllium 9.012182 [He] 2s2
5 B Boron 10.811 [He] 2s2 2p1
6 C Carbone 12.0107 [He] 2s2 2p2
7 N Azote 14.0067 [He] 2s2 2p3
8 O Oxygène 15.9994 [He] 2s2 2p4
9 F Fluor 18.9984032 [He] 2s2 2p5
10 Ne Néon 20.1797 [He] 2s2 2p6
11 Na Sodium 22.98976928 [Ne] 3s1
12 Mg Magnésium 24.305 [Ne] 3s2
13 Al Aluminium 26.9815386 [Ne] 3s2 3p1
14 Si Silicium 28.0855 [Ne] 3s2 3p2
15 P Phosphore 30.973762 [Ne] 3s2 3p3
16 S Soufre 32.065 [Ne] 3s2 3p4
17 Cl Chlore 35.453 [Ne] 3s2 3p5
18 Ar Argon 39.948 [Ne] 3s2 3p6
19 K Potassium 39.0983 [Ar] 4s1
20 Ca Calcium 40.078 [Ar] 4s2
21 Sc Scandium 44.955912 [Ar] 3d1 4s2
22 Ti Titane 47.867 [Ar] 3d2 4s2
23 V Vanadium 50.9415 [Ar] 3d3 4s2
24 Cr Chrome 51.9961 [Ar] 3d5 4s1
25 Mn Manganèse 54.938045 [Ar] 4s2 3d5
26 Fe Fer 55.845 [Ar] 4s2 3d6
27 Co Cobalt 58.933195 [Ar] 3d7 4s2
28 Ni Nickel 58.6934 [Ar] 3d8 4s2
29 Cu Cuivre 63.546 [Ar] 3d10 4s1
30 Zn Zinc 65.409 [Ar] 3d10 4s2
31 Ga Gallium 69.723 [Ar] 3d10 4s2 4p1
32 Ge Germanium 72.64 [Ar] 3d10 4s2 4p2
33 As Arsenic 74.9216 [Ar] 3d10 4s2 4p3
34 Se Sélénium 78.96 [Ar] 4s2 3d10 4p4
35 Br Brome 79.904 [Ar] 4s2 3d10 4p5
36 Kr Krypton 83.798 [Ar] 3d10 4s2 4p6
37 Rb Rubidium 85.4678 [Kr] 5s1
38 Sr Strontium 87.62 [Kr] 5s2
39 Y Yttrium 88.90585 [Kr] 4d1 5s2
40 Zr Zirconium 91.224 [Kr] 4d2 5s2
41 Nb Niobium 92.90638 [Kr] 4d4 5s1
42 Mo Molybdène 95.94 [Kr] 4d5 5s1
43 Tc Technétium (98) [Kr] 4d5 5s2
44 Ru Ruthénium 101.07 [Kr] 4d7 5s1
45 Rh Rhodium 102.9055 [Kr] 4d8 5s1
46 Pd Palladium 106.42 [Kr] 4d10
47 Ag Argent 107.8682 [Kr] 4d10 5s1
48 Cd Cadmium 112.411 [Kr] 4d10 5s2
49 In Indium 114.818 [Kr] 4d10 5s2 5p1
50 Sn Étain 118.71 [Kr] 4d10 5s2 5p2
51 Sb Antimoine 121.76 [Kr] 4d10 5s2 5p3
52 Te Tellure 127.6 [Kr] 5s2 4d10 5p4
53 I Iode 126.90447 [Kr] 4d10 5s2 5p5
54 Xe Xénon 131.293 [Kr] 4d10 5s2 5p6
55 Cs Césium 132.9054519 [Xe] 6s1
56 Ba Baryum 137.327 [Xe] 6s2
57 La Lanthane 138.90547 [Xe] 5d1 6s2
58 Ce Cérium 140.116 [Xe] 4f1 5d1 6s2
59 Pr Praséodyme 140.90765 [Xe] 4f3 6s2
60 Nd Néodyme 144.242 [Xe] 4f4 6s2
61 Pm Prométhium (145) [Xe] 4f5 6s2
62 Sm Samarium 150.36 [Xe] 4f6 6s2
63 Eu Europium 151.964 [Xe] 4f7 6s2
64 Gd Gadolinium 157.25 [Xe] 4f7 5d1 6s2
65 Tb Terbium 158.92535 [Xe] 4f9 6s2
66 Dy Dysprosium 162.5 [Xe] 4f10 6s2
67 Ho Holmium 164.93032 [Xe] 4f11 6s2
68 Er Erbium 167.259 [Xe] 4f12 6s2
69 Tm Thulium 168.93421 [Xe] 4f13 6s2
70 Yb Ytterbium 173.04 [Xe] 4f14 6s2
71 Lu Lutécium 174.967 [Xe] 6s2 4f14 5d1
72 Hf Hafnium 178.49 [Xe] 4f14 5d2 6s2
73 Ta Tantale 180.94788 [Xe] 4f14 5d3 6s2
74 W Tungstène 183.84 [Xe] 4f14 5d4 6s2
75 Re Rhénium 186.207 [Xe] 4f14 5d5 6s2
76 Os Osmium 190.23 [Xe] 4f14 5d6 6s2
77 Ir Iridium 192.217 [Xe] 4f14 5d7 6s2
78 Pt Platine 195.084 [Xe] 4f14 5d9 6s1
79 Au Or 196.966569 [Xe] 4f14 5d10 6s1
80 Hg Mercure 200.59 [Xe] 4f14 5d10 6s2
81 Tl Thallium 204.3833 [Xe] 4f14 5d10 6s2 6p1
82 Pb Plomb 207.2 [Xe] 4f14 5d10 6s2 6p2
83 Bi Bismuth 208.9804 [Xe] 4f14 5d10 6s2 6p3
84 Po Polonium (209) [Xe] 6s2 4f14 5d10 6p4
85 At Astate (210) [Xe] 4f14 5d10 6s2 6p5
86 Rn Radon (222) [Xe] 4f14 5d10 6s2 6p6
87 Fr Francium (223) [Rn] 7s1
88 Ra Radium (226) [Rn] 7s2
89 Ac Actinium (227) [Rn] 6d1 7s2
90 Th Thorium 232.0381 [Rn] 6d2 7s2
91 Pa Protactinium 231.03588 [Rn] 5f2 6d1 7s2
92 U Uranium 238.02891 [Rn] 5f3 6d1 7s2
93 Np Neptunium (237) [Rn] 5f4 6d1 7s2
94 Pu Plutonium (244) [Rn] 5f6 7s2
95 Am Américium (243) [Rn] 5f7 7s2
96 Cm Curium (247) [Rn] 5f7 6d1 7s2
97 Bk Berkélium (247) [Rn] 5f9 7s2
98 Cf Californium (251) [Rn] 5f10 7s2
99 Es Einsteinium (252) [Rn] 5f11 7s2
100 Fm Fermium (257) [Rn] 5f12 7s2
101 Md Mendélévium (258) [Rn] 5f13 7s2
102 No Nobélium (259) [Rn] 5f14 7s2
103 Lr Lawrencium (262) [Rn] 5f14 6d1 7s2
104 Rf Rutherfordium (265) [Rn] 5f14 6d2 7s2
105 Db Dubnium (268) [Rn] 5f14 6d3 7s2
106 Sg Seaborgium (263) [Rn] 5f14 6d4 7s2
107 Bh Bohrium (272) [Rn] 5f14 6d5 7s2
108 Hs Hassium (278) [Rn] 5f14 6d6 7s2
109 Mt Meitnérium (278) [Rn] 5f14 6d7 7s2
110 Ds Darmstadtium (281) [Rn] 5f14 6d9 7s1
111 Rg Roentgenium (280) [Rn] 5f14 6d10 7s1
112 Cn Copernicium (285) [Rn] 5f14 6d10 7s2
113 Nh Nihonium (284) [Rn] 5f14 6d10 7s2 7p1
114 Fl Flérovium (289) [Rn] 5f14 6d10 7s2 7p2
115 Mc Moscovium (288) [Rn] 5f14 6d10 7s2 7p3
116 Lv Livermorium (293) [Rn] 5f14 6d10 7s2 7p4
117 Ts Tennessine (294) [Rn] 5f14 6d10 7s2 7p5
118 Og Oganesson (294) [Rn] 7s2 5f14 6d10 7p6
Tableau périodique
Définition du jour
reaction
The mutual or reciprocal action of chemical agents upon each other, or the action upon such chemical agents of some form of energy, as heat, light, or electricity, resulting in a chemical change in one or more of these agents, with the production of new compounds or the manifestation of distinctive characters.