1
18
1

H氢

Hydrogen1.008
2
  • 碱金属
  • 碱土金属
  • 非金属
  • 类金属
  • 后过渡金属
  • 过渡金属
  • 卤素
  • 惰性气体
  • 镧系元素
  • 放射元素
  • 13
    14
    15
    16
    17
    2

    He氦

    Helium4.003
    3

    Li锂

    Lithium6.940
    4

    Be铍

    Beryllium9.012
    5

    B硼

    Boron10.810
    6

    C碳

    Carbon12.011
    7

    N氮

    Nitrogen14.007
    8

    O氧

    Oxygen15.999
    9

    F氟

    Fluorine18.998
    10

    Ne氖

    Neon20.180
    11

    Na钠

    Sodium22.990
    12

    Mg镁

    Magnesium24.305
    3
    4
    5
    6
    7
    8
    9
    10
    11
    12
    13

    Al铝

    Aluminium26.982
    14

    Si硅

    Silicon28.085
    15

    P磷

    Phosphorus30.974
    16

    S硫

    Sulfur32.06
    17

    Cl氯

    Chlorine35.45
    18

    Ar氩

    Argon39.948
    19

    K钾

    Potassium39.098
    20

    Ca钙

    Calcium40.078
    21

    Sc钪

    Scandium44.956
    22

    Ti钛

    Titanium47.867
    23

    V钒

    Vanadium50.942
    24

    Cr铬

    Chromium51.996
    25

    Mn锰

    Manganese54.938
    26

    Fe铁

    Iron55.845
    27

    Co钴

    Cobalt58.933
    28

    Ni镍

    Nickel58.693
    29

    Cu铜

    Copper63.546
    30

    Zn锌

    Zinc65.38
    31

    Ga镓

    Gallium69.723
    32

    Ge锗

    Germanium72.63
    33

    As砷

    Arsenic74.922
    34

    Se硒

    Selenium78.971
    35

    Br溴

    Bromine79.904
    36

    Kr氪

    Krypton83.768
    37

    Rb铷

    Rubidium84.468
    38

    Sr锶

    Strontium87.620
    39

    Y钇

    Yttrium88.906
    40

    Zr锆

    Zirconium91.224
    41

    Nb铌

    Niobium92.906
    42

    Mo钼

    Molybdenum95.95
    43

    Tc锝

    Technetium98.907
    44

    Ru钌

    Ruthenium101.07
    45

    Rh铑

    Rhodium102.906
    46

    Pd钯

    Palladium106.42
    47

    Ag银

    Silver107.868
    48

    Cd镉

    Cadmium112.411
    49

    In铟

    Indium114.818
    50

    Sn锡

    Tin118.711
    51

    Sb锑

    Antimony121.76
    52

    Te碲

    Tellurium127.6
    53

    I碘

    Iodine126.904
    54

    Xe氙

    Xenon131.294
    55

    Cs铯

    Caesium132.905
    56

    Ba钡

    Barium137.328
    57-71

    镧系

    Lanthanoids
    72

    Hf铪

    Hafnium178.49
    73

    Ta钽

    Tantalum180.948
    74

    W钨

    Tungsten183.84
    75

    Re铼

    Rhenium186.207
    76

    Os锇

    Osmium190.23
    77

    Ir铱

    Iridium192.217
    78

    Pt铂

    Platinum195.085
    79

    Au金

    Gold196.967
    80

    Hg汞

    Mercury200.592
    81

    Tl铊

    Thallium204.383
    82

    Pb铅

    Lead207.2
    83

    Bi铋

    Bismuth208.98
    84

    Po钋

    Polonium(208.982)
    85

    At砹

    Astatine209.987
    86

    Rn氡

    Radon222.018
    87

    Fr钫

    Francium223.02
    88

    Ra镭

    Radium226.025
    89-103

    锕系

    Actinoids
    104

    Rf鑪

    Rutherfordium(261)
    105

    Db𨧀

    Dubnium(262)
    106

    Sg𨭎

    Seaborgium(266)
    107

    Bh𨨏

    Bohrium(264)
    108

    Hs𨭆

    Hassium(269)
    109

    Mt䥑

    Meitnerium(268)
    110

    Ds鐽

    Darmstadtium(269)
    111

    Rg錀

    Roentgenium(272)
    112

    Cn

    Copernicium(277)
    113

    Uut

    Ununtrium?
    114

    Fl

    Flerovium(289)
    115

    Uup

    Ununpentium?
    116

    Lv

    Livermorium(298)
    117

    Uus

    Ununseptium?
    118

    Uuo

    Ununoctium?
    57

    La镧

    Lanthanum138.905
    58

    Ce铈

    Cerium140.116
    59

    Pr镨

    Praseodymium140.908
    60

    Nd钕

    Neodymium144.242
    61

    Pm钷

    Promethium(145)
    62

    Sm钐

    Samarium150.36
    63

    Eu铕

    Europium151.964
    64

    Gd钆

    Gadolinium157.25
    65

    Tb铽

    Terbium158.925
    66

    Dy镝

    Dysprosium162.5
    67

    Ho钬

    Holmium164.93
    68

    Er铒

    Erbium167.259
    69

    Tm铥

    Thulium168.934
    70

    Yb镱

    Ytterbium173.045
    71

    Lu镥

    Lutetium174.967
    89

    Ac锕

    Actinium(227)
    90

    Th钍

    Thorium232.038
    91

    Pa镤

    Protactinium231.036
    92

    U铀

    Uranium238.029
    93

    Np镎

    Neptunium(237)
    94

    Pu钚

    Plutonium(244)
    95

    Am镅

    Americium(243)
    96

    Cm锔

    Curium(247)
    97

    Bk锫

    Berkelium(247)
    98

    Cf锎

    Californium(251)
    99

    Es锿

    Einsteinium(252)
    100

    Fm镄

    Fermium(257)
    101

    Md钔

    Mendelevium(258)
    102

    No锘

    Nobelium(259)
    103

    Lr铹

    Lawrencium(262)