2
He
Helium (He)
Atomic No: 2
Mass: 4.0026
Electron: 1s²
3
Li
Lithium (Li)
Atomic No: 3
Mass: 6.94
Electron: [He] 2s¹
4
Be
Beryllium (Be)
Atomic No: 4
Mass: 9.0122
Electron: [He] 2s²
F
Fluorine (F)
Atomic No: 9
Mass: 18.998
Electron: [He] 2s² 2p⁵
Ne
Neon (Ne)
Atomic No: 10
Mass: 20.180
Electron: [He] 2s² 2p⁶
Na
Sodium (Na)
Atomic No: 11
Mass: 22.990
Electron: [Ne] 3s¹
Mg
Magnesium (Mg)
Atomic No: 12
Mass: 24.305
Electron: [Ne] 3s²
Al
Aluminum (Al)
Atomic No: 13
Mass: 26.982
Electron: [Ne] 3s² 3p¹
Cl
Chlorine (Cl)
Atomic No: 17
Mass: 35.45
Electron: [Ne] 3s² 3p⁵
Ar
Argon (Ar)
Atomic No: 18
Mass: 39.948
Electron: [Ne] 3s² 3p⁶
K
Potassium (K)
Atomic No: 19
Mass: 39.098
Electron: [Ar] 4s¹
Ca
Calcium (Ca)
Atomic No: 20
Mass: 40.078
Electron: [Ar] 4s²
Sc
Scandium (Sc)
Atomic No: 21
Mass: 44.956
Electron: [Ar] 3d¹ 4s²
Ti
Titanium (Ti)
Atomic No: 22
Mass: 47.867
Electron: [Ar] 3d² 4s²
V
Vanadium (V)
Atomic No: 23
Mass: 50.942
Electron: [Ar] 3d³ 4s²
Cr
Chromium (Cr)
Atomic No: 24
Mass: 51.996
Electron: [Ar] 3d⁵ 4s¹
Mn
Manganese (Mn)
Atomic No: 25
Mass: 54.938
Electron: [Ar] 3d⁵ 4s²
Fe
Iron (Fe)
Atomic No: 26
Mass: 55.845
Electron: [Ar] 3d⁶ 4s²
Co
Cobalt (Co)
Atomic No: 27
Mass: 58.933
Electron: [Ar] 3d⁷ 4s²
Ni
Nickel (Ni)
Atomic No: 28
Mass: 58.693
Electron: [Ar] 3d⁸ 4s²
Cu
Copper (Cu)
Atomic No: 29
Mass: 63.546
Electron: [Ar] 3d¹⁰ 4s¹
Zn
Zinc (Zn)
Atomic No: 30
Mass: 65.38
Electron: [Ar] 3d¹⁰ 4s²
Ga
Gallium (Ga)
Atomic No: 31
Mass: 69.723
Electron: [Ar] 3d¹⁰ 4s² 4p¹
Br
Bromine (Br)
Atomic No: 35
Mass: 79.904
Electron: [Ar] 3d¹⁰ 4s² 4p⁵
Kr
Krypton (Kr)
Atomic No: 36
Mass: 83.798
Electron: [Ar] 3d¹⁰ 4s² 4p⁶
Rb
Rubidium (Rb)
Atomic No: 37
Mass: 85.468
Electron: [Kr] 5s¹
Sr
Strontium (Sr)
Atomic No: 38
Mass: 87.62
Electron: [Kr] 5s²
Y
Yttrium (Y)
Atomic No: 39
Mass: 88.906
Electron: [Kr] 4d¹ 5s²
Zr
Zirconium (Zr)
Atomic No: 40
Mass: 91.224
Electron: [Kr] 4d² 5s²
Nb
Niobium (Nb)
Atomic No: 41
Mass: 92.906
Electron: [Kr] 4d⁴ 5s¹
Mo
Molybdenum (Mo)
Atomic No: 42
Mass: 95.94
Electron: [Kr] 4d⁵ 5s¹
Tc
Technetium (Tc)
Atomic No: 43
Mass: 98
Electron: [Kr] 4d⁵ 5s²
Ru
Ruthenium (Ru)
Atomic No: 44
Mass: 101.07
Electron: [Kr] 4d⁷ 5s¹
Rh
Rhodium (Rh)
Atomic No: 45
Mass: 102.91
Electron: [Kr] 4d⁸ 5s¹
Pd
Palladium (Pd)
Atomic No: 46
Mass: 106.42
Electron: [Kr] 4d¹⁰
Ag
Silver (Ag)
Atomic No: 47
Mass: 107.87
Electron: [Kr] 4d¹⁰ 5s¹
Cd
Cadmium (Cd)
Atomic No: 48
Mass: 112.41
Electron: [Kr] 4d¹⁰ 5s²
In
Indium (In)
Atomic No: 49
Mass: 114.82
Electron: [Kr] 4d¹⁰ 5s² 5p¹
Sn
Tin (Sn)
Atomic No: 50
Mass: 118.71
Electron: [Kr] 4d¹⁰ 5s² 5p²
I
Iodine (I)
Atomic No: 53
Mass: 126.9
Electron: [Kr] 4d¹⁰ 5s² 5p⁵
Xe
Xenon (Xe)
Atomic No: 54
Mass: 131.29
Electron: [Kr] 4d¹⁰ 5s² 5p⁶
Cs
Cesium (Cs)
Atomic No: 55
Mass: 132.91
Electron: [Xe] 6s¹
Ba
Barium (Ba)
Atomic No: 56
Mass: 137.33
Electron: [Xe] 6s²
La
Lanthanum (La)
Atomic No: 57
Mass: 138.91
Electron: [Xe] 5d¹ 6s²
Hf
Hafnium (Hf)
Atomic No: 72
Mass: 178.49
Electron: [Xe] 4f¹⁴ 5d² 6s²
Ta
Tantalum (Ta)
Atomic No: 73
Mass: 180.95
Electron: [Xe] 4f¹⁴ 5d³ 6s²
W
Tungsten (W)
Atomic No: 74
Mass: 183.84
Electron: [Xe] 4f¹⁴ 5d⁴ 6s²
Re
Rhenium (Re)
Atomic No: 75
Mass: 186.21
Electron: [Xe] 4f¹⁴ 5d⁵ 6s²
Os
Osmium (Os)
Atomic No: 76
Mass: 190.23
Electron: [Xe] 4f¹⁴ 5d⁶ 6s²
Ir
Iridium (Ir)
Atomic No: 77
Mass: 192.22
Electron: [Xe] 4f¹⁴ 5d⁷ 6s²
Pt
Platinum (Pt)
Atomic No: 78
Mass: 195.08
Electron: [Xe] 4f¹⁴ 5d⁹ 6s¹
Au
Gold (Au)
Atomic No: 79
Mass: 196.97
Electron: [Xe] 4f¹⁴ 5d¹⁰ 6s¹
Hg
Mercury (Hg)
Atomic No: 80
Mass: 200.59
Electron: [Xe] 4f¹⁴ 5d¹⁰ 6s²
Tl
Thallium (Tl)
Atomic No: 81
Mass: 204.38
Electron: [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p¹
Pb
Lead (Pb)
Atomic No: 82
Mass: 207.2
Electron: [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p²
Bi
Bismuth (Bi)
Atomic No: 83
Mass: 208.98
Electron: [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p³
At
Astatine (At)
Atomic No: 85
Mass: 210
Electron: [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁵
Rn
Radon (Rn)
Atomic No: 86
Mass: 222
Electron: [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁶
Fr
Francium (Fr)
Atomic No: 87
Mass: 223
Electron: [Rn] 7s¹
Ra
Radium (Ra)
Atomic No: 88
Mass: 226
Electron: [Rn] 7s²
Ac
Actinium (Ac)
Atomic No: 89
Mass: 227
Electron: [Rn] 6d¹ 7s²
Rf
Rutherfordium (Rf)
Atomic No: 104
Mass: 267
Electron: [Rn] 5f¹⁴ 6d² 7s²
Db
Dubnium (Db)
Atomic No: 105
Mass: 268
Electron: [Rn] 5f¹⁴ 6d³ 7s²
Sg
Seaborgium (Sg)
Atomic No: 106
Mass: 271
Electron: [Rn] 5f¹⁴ 6d⁴ 7s²
Bh
Bohrium (Bh)
Atomic No: 107
Mass: 272
Electron: [Rn] 5f¹⁴ 6d⁵ 7s²
Hs
Hassium (Hs)
Atomic No: 108
Mass: 270
Electron: [Rn] 5f¹⁴ 6d⁶ 7s²
Mt
Meitnerium (Mt)
Atomic No: 109
Mass: 278
Electron: [Rn] 5f¹⁴ 6d⁷ 7s²
Ds
Darmstadtium (Ds)
Atomic No: 110
Mass: 281
Electron: [Rn] 5f¹⁴ 6d⁸ 7s²
Rg
Roentgenium (Rg)
Atomic No: 111
Mass: 281
Electron: [Rn] 5f¹⁴ 6d⁹ 7s²
Cn
Copernicium (Cn)
Atomic No: 112
Mass: 285
Electron: [Rn] 5f¹⁴ 6d¹⁰ 7s²
Nh
Nihonium (Nh)
Atomic No: 113
Mass: 286
Electron: [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p¹
Fl
Flerovium (Fl)
Atomic No: 114
Mass: 289
Electron: [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p²
Mc
Moscovium (Mc)
Atomic No: 115
Mass: 289
Electron: [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p³
Lv
Livermorium (Lv)
Atomic No: 116
Mass: 293
Electron: [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁴
Ts
Tennessine (Ts)
Atomic No: 117
Mass: 294
Electron: [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁵
Og
Oganesson (Og)
Atomic No: 118
Mass: 294
Electron: [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁶
Ce
Cerium (Ce)
Atomic No: 58
Mass: 140.12
Electron: [Xe] 4f¹ 5d¹ 6s²
Pr
Praseodymium (Pr)
Atomic No: 59
Mass: 140.91
Electron: [Xe] 4f³ 6s²
Nd
Neodymium (Nd)
Atomic No: 60
Mass: 144.24
Electron: [Xe] 4f⁴ 6s²
Pm
Promethium (Pm)
Atomic No: 61
Mass: 145
Electron: [Xe] 4f⁵ 6s²
Sm
Samarium (Sm)
Atomic No: 62
Mass: 150.36
Electron: [Xe] 4f⁶ 6s²
Eu
Europium (Eu)
Atomic No: 63
Mass: 151.96
Electron: [Xe] 4f⁷ 6s²
Gd
Gadolinium (Gd)
Atomic No: 64
Mass: 157.25
Electron: [Xe] 4f⁷ 5d¹ 6s²
Tb
Terbium (Tb)
Atomic No: 65
Mass: 158.93
Electron: [Xe] 4f⁹ 5d¹ 6s²
Dy
Dysprosium (Dy)
Atomic No: 66
Mass: 162.50
Electron: [Xe] 4f¹⁰ 5d¹ 6s²
Ho
Holmium (Ho)
Atomic No: 67
Mass: 164.93
Electron: [Xe] 4f¹¹ 5d¹ 6s²
Er
Erbium (Er)
Atomic No: 68
Mass: 167.26
Electron: [Xe] 4f¹² 5d¹ 6s²
Tm
Thulium (Tm)
Atomic No: 69
Mass: 168.93
Electron: [Xe] 4f¹³ 5d¹ 6s²
Yb
Ytterbium (Yb)
Atomic No: 70
Mass: 173.04
Electron: [Xe] 4f¹⁴ 5d¹ 6s²
Lu
Lutetium (Lu)
Atomic No: 71
Mass: 174.97
Electron: [Xe] 4f¹⁴ 5d¹ 6s²
Th
Thorium (Th)
Atomic No: 90
Mass: 232.04
Electron: [Rn] 6d² 7s²
Pa
Protactinium (Pa)
Atomic No: 91
Mass: 231.04
Electron: [Rn] 5f² 6d¹ 7s²
U
Uranium (U)
Atomic No: 92
Mass: 238.03
Electron: [Rn] 5f³ 6d¹ 7s²
Np
Neptunium (Np)
Atomic No: 93
Mass: 237
Electron: [Rn] 5f⁴ 6d¹ 7s²
Pu
Plutonium (Pu)
Atomic No: 94
Mass: 244
Electron: [Rn] 5f⁶ 6d² 7s²
Am
Americium (Am)
Atomic No: 95
Mass: 243
Electron: [Rn] 5f⁷ 6d³ 7s²
Cm
Curium (Cm)
Atomic No: 96
Mass: 247
Electron: [Rn] 5f⁷ 6d⁴ 7s²
Bk
Berkelium (Bk)
Atomic No: 97
Mass: 247
Electron: [Rn] 5f⁸ 6d² 7s²
Cf
Californium (Cf)
Atomic No: 98
Mass: 251
Electron: [Rn] 5f¹⁰ 6d² 7s²
Es
Einsteinium (Es)
Atomic No: 99
Mass: 252
Electron: [Rn] 5f¹² 6d² 7s²
Fm
Fermium (Fm)
Atomic No: 100
Mass: 257
Electron: [Rn] 5f¹⁴ 6d² 7s²
Md
Mendelevium (Md)
Atomic No: 101
Mass: 258
Electron: [Rn] 5f¹⁶ 6d² 7s²
No
Nobelium (No)
Atomic No: 102
Mass: 259
Electron: [Rn] 5f¹⁸ 6d² 7s²
Lr
Lawrencium (Lr)
Atomic No: 103
Mass: 262
Electron: [Rn] 5f¹⁴ 6d² 7s²