| Group: | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
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| Period | | | |
| | | | | | | | | | | | | | |
|---|
| 1 | 1 H H - Hydrogen
Atomic No.1
Atomic Weight:1.008 | |
| | | | | | | | | | | | | | | 2 He He - Helium
Atomic No.2
Atomic Weight:4.003 |
|---|
| 2 |
3 Li Li - Lithium
Atomic No.3
Atomic Weight:6 | 4 Be Be - Berylium
Atomic No.4
Atomic Weight:9.012 | | | | | | | | | |
| 5 B B - Boron
Atomic No.5
Atomic Weight:10.81 | 6 C C - Carbon
Atomic No.6
Atomic Weight:12.011 | 7 N N - Nitrogen
Atomic No.7
Atomic Weight:14.007
| 8 O O - Oxygen
Atomic No.8
Atomic Weight:15.999 | 9 F F - Fluorine
Atomic No.9
Atomic Weight:18.998 | 10 Ne Ne - Neon
Atomic No.10
Atomic Weight:20.180
|
|---|
| 3 | 11 Na Na - Sodium
Atomic No.11
Atomic Weight:22.990 | 12 Mg Mg - Magnesium
Atomic No.12
Atomic Weight:24.305 | | | | | |
| | | | | 13 Al Al - Aluminium
Atomic No.13
Atomic Weight:26.982 | 14 Si Si - Silicon
Atomic No.14
Atomic Weight:28.085 | 15 P
P - Phosphorous
Atomic No.15
Atomic Weight:30.974 | 16 S S - Sulphur
Atomic No.16
Atomic Weight:32.06 | 17 Cl Cl - Chlorine
Atomic No.17
Atomic Weight:35.45 |
18 Ar Ar - Argon
Atomic No.18
Atomic Weight:39.95 |
|---|
| 4 | 19 K K - Potassium
Atomic No.19
Atomic Weight:39.098 | 20 Ca Ca - Calcium
Atomic No.20
Atomic Weight:40.078 | 21 Sc Sc - Scandium
Atomic No.21
Atomic Weight:44.956 | 22 Ti Ti - Titanium
Atomic No.22
Atomic Weight:47.867 | 23 V V - Vanadium
Atomic No.23
Atomic Weight:50.942
| 24 Cr Cr - Chromium
Atomic No.24
Atomic Weight:51.996 | 25 Mn Mn - Manganese
Atomic No.25
Atomic Weight:54.938 | 26 Fe Fe - Iron
Atomic No.26
Atomic Weight:55.845
| 27 Co Co - Cobalt
Atomic No.27
Atomic Weight:58.933 | 28 Ni Ni - Nickel
Atomic No.28
Atomic Weight:58.693 | 29 Cu Cu - Copper
Atomic No.29
Atomic Weight:63.546
| 30 Zn Zn - Zinc
Atomic No.30
Atomic Weight:65.38 | 31 Ga Ga - Gallium
Atomic No.31
Atomic Weight:69.723 | 32 Ge Ge - Germanium
Atomic No.32
Atomic Weight:72.630
| 33 As As - Arsenic
Atomic No.33
Atomic Weight:74.922 | 34 Se Se - Selenium
Atomic No.34
Atomic Weight:78.971 | 35 Br Br - Bromine
Atomic No.35
Atomic Weight:79.904
| 36 Kr Kr - Krypton
Atomic No.36
Atomic Weight:83.798 |
|---|
| 5 | 37 Rb Rb - Rubidium
Atomic No.37
Atomic Weight:85.468 | 38 Sr Sr - Strontium
Atomic No.38
Atomic Weight:87.62
| 39 Y Y - Yttrium
Atomic No.39
Atomic Weight:88.906 | 40 Zr Zr - Zirconium
Atomic No.40
Atomic Weight:91.224 | 41 Nb Nb - Niobium
Atomic No.41
Atomic Weight:92.906
| 42 Mo Mo - Molybdenum
Atomic No.42
Atomic Weight:95.95 | 43 Tc Tc - Technetium
Atomic No.43
Atomic Weight:(98) | 44 Ru Ru - Ruthenium
Atomic No.44
Atomic Weight:101.07
| 45 Rh Rh - Rhodium
Atomic No.45
Atomic Weight:102.96 | 46 Pd Pd - Paladium
Atomic No.46
Atomic Weight:106.42 | 47 Ag Ag - Silver
Atomic No.47
Atomic Weight:107.868
| 48 Cd Cd - Cadmium
Atomic No.48
Atomic Weight:112.414 | 49 In In - Indium
Atomic No.49
Atomic Weight:114.818 | 50 Sn Sn - Tin
Atomic No.50
Atomic Weight:118.710
| 51 Sb Sb - Antimony
Atomic No.51
Atomic Weight:121.760 | 52 Te Te - Tellurium
Atomic No.52
Atomic Weight:127.60 | 53 I I - Iodine
Atomic No.53
Atomic Weight:126.904
| 54 Xe Xe - Xenon
Atomic No.54
Atomic Weight:131.293 |
|---|
| 6 | 55 Cs Cs - Cesium
Atomic No.55
Atomic Weight:132.905 | 56 Ba Ba - Barium
Atomic No.56
Atomic Weight:137.327
| Lanthanoids57 La La - Lanthanum
Atomic No.57
Atomic Weight:138.905 | 58 Ce Ce - Cerium
Atomic No.58
Atomic Weight:140.116 | 59 Pr Pr - Praseodymium
Atomic No.59
Atomic Weight:140.908 | 60 Nd Nd - Neodymium
Atomic No.60
Atomic Weight:144.242
| 61 Pm Pm - Prometheum
Atomic No.61
Atomic Weight:(145) | 62 Sm Sm - Samarium
Atomic No.62
Atomic Weight:150.36 | 63 Eu Eu - Europium
Atomic No.63
Atomic Weight:151.964
| 64 Gd Gd - Gadolinium
Atomic No.64
Atomic Weight:157.25 | 65 Tb Tb - Terbium
Atomic No.65
Atomic Weight:158.925 | 66 Dy Dy - Dysprosium
Atomic No.66
Atomic Weight:162.500
| 67 Ho Ho - Holmium
Atomic No.67
Atomic Weight:164.930 | 68 Er Er - Erbium
Atomic No.68
Atomic Weight:167.259 | 69 Tm Tm - Thulium
Atomic No.69
Atomic Weight:168.934
| 70 Yb Yb - Ytterbium
Atomic No.70
Atomic Weight:173.045 |
| 71 Lu Lu - Lutetium
Atomic No.71
Atomic Weight:174.967 | 72 Hf Hf - Hafnium
Atomic No.72
Atomic Weight:178.486
| 73 Ta Ta - Tantalum
Atomic No.73
Atomic Weight:180.948 | 74 W W - Tungsten
Atomic No.74
Atomic Weight:183.84 | 75 Re Re - Rhenium
Atomic No.75
Atomic Weight:186.207
| 76 Os Os - Osmium
Atomic No.76
Atomic Weight:190.23 | 77 Ir Ir - Iridium
Atomic No.77
Atomic Weight:192.217 | 78 Pt Pt - Platinum
Atomic No.78
Atomic Weight:195.084
| 79 Au Au - Gold
Atomic No.79
Atomic Weight:196.967 | 80 Hg Hg - Mercury
Atomic No.80
Atomic Weight:200.592 | 81 Tl Tl - Thallium
Atomic No.81
Atomic Weight:204.38
| 82 Pb Pb - Lead
Atomic No.82
Atomic Weight:207.2 | 83 Bi Bi - Bismuth
Atomic No.83
Atomic Weight:208.980 | 84 Po Po - Polonium
Atomic No.84
Atomic Weight:[209]
| 85 At At - Astatine
Atomic No.85
Atomic Weight:[210] | 86 Rn Rn - Radon
Atomic No.86
Atomic Weight:[222] |
|---|
| 7 | 87 Fr Fr - Francium
Atomic No.87
Atomic Weight:[223]
| 88 Ra Ra - Radium
Atomic No.88
Atomic Weight:[226] | Actinoids
89 Ac Ac - Actinium
Atomic No.89
Atomic Weight:[227] | 90 Th Th - Thorium
Atomic No.90
Atomic Weight:232.038 | 91 Pa Pa - Protactinium
Atomic No.91
Atomic Weight:231.036
| 92 U U - Uranium
Atomic No.92
Atomic Weight:238.029 | 93 Np Np - Neptunium
Atomic No.93
Atomic Weight:[237] | 94 Pu Pu - Plutonium
Atomic No.94
Atomic Weight:[244]
| 95 Am Am - Americium
Atomic No.95
Atomic Weight:[243] | 96 Cm Cm - Curium
Atomic No.96
Atomic Weight:[247] | 97 Bk Bk - Berkelium
Atomic No.97
Atomic Weight:[247]
| 98 Cf Cf - Californium
Atomic No.98
Atomic Weight:[251] | 99 Es Es - Einsteinium
Atomic No.99
Atomic Weight:[252] | 100 Fm Fm - Fermium
Atomic No.100
Atomic Weight:[257]
| 101 Md Md - Mendelevium
Atomic No.101
Atomic Weight:[258] | 102 No No - Nobelium
Atomic No.102
Atomic Weight:[259] |
| 103 Lr Lr - Lawrencium
Atomic No.103
Atomic Weight:[262]
| 104 Rf Rf - Rutherfordium
Atomic No.104
Atomic Weight:[267] | 105 Db Db - Dubnium
Atomic No.105
Atomic Weight:[268] | 106 Sg Sg - Seaborgium
Atomic No.106
Atomic Weight:[269]
| 107 Bh Bh - Bohrium
Atomic No.107
Atomic Weight:[270] | 108 Hs Hs - Hassium
Atomic No.108
Atomic Weight:[269] | 109 Mt Mt - Meltnerium
Atomic No.109
Atomic Weight:[278]
| 110 Ds Ds - Darmstadtium
Atomic No.110
Atomic Weight:[281] | 111 Rg Rg - Roentgenium
Atomic No.111
Atomic Weight:[280] | 112 Cn Cn - Copernicium
Atomic No.112
Atomic Weight:[285]
| 113 Nh Nh - Nihonium
Atomic No.113
Atomic Weight:[286] | 114 Uuq Fi - Flerovium
Atomic No.114
Atomic Weight:[289] | 115 Mc Mc - Moscovium
Atomic No.115
Atomic Weight:[289]
| 116 Lv Lv - Livermorium
Atomic No.116
Atomic Weight:[293] | 117 Ts Ts - Tennessine
Atomic No.117
Atomic Weight:[294] | 118 Og Og - Oganesson
Atomic No.118
Atomic Weight:[294]
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