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Chemistry Periodic Table of Elements

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Name
Symbol
Atomic Number
Atomic Weight
hydrogen   H   1   1.00794(7)  
🗑
helium   He   2   4.002602(2)  
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lithium   Li   3   [6.941(2)]  
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beryllium   Be   4   9.012182(3)  
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boron   B   5   10.811(7)  
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carbon   C   6   12.0107(8)  
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nitrogen   N   7   14.0067(2)  
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oxygen   O   8   15.9994(3)  
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fluorine   F   9   18.9984032(5)  
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neon   Ne   10   20.1797(6)  
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sodium   Na   11   22.989770(2)  
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magnesium   Mg   12   24.3050(6)  
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aluminium   Al   13   26.981538(2)  
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silicon   Si   14   28.0855(3)  
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phosophorus   P   15   30.973761(2)  
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sulphur   S   16   32.065(5)  
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chlorine   Cl   17   35.453(2)  
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argon   Ar   18   39.948(1)  
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potassium   K   19   39.0983(1)  
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calcium   Ca   20   40.078(4)  
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scandium   Sc   21   44.955910(8)  
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titanium   Ti   22   47.867(1)  
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vanadium   V   23   50.9415(1)  
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chromium   Cr   24   51.9961(6)  
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manganese   Mn   25   54.938049(9)  
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iron   Fe   26   55.845 (2)  
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cobalt   Co   27   58.933200 (9)  
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nickel   Ni   28   58.6934 (2)  
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copper   Cu   29   63.546 (3) r  
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zinc   Zn   30   65.409 (4) g  
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gallium   Ga   31   69.723 (1)  
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germanium   Ge   32   72.64 (1)  
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arsenic   As   33   74.92160 (2)  
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selenium   Se   34   78.96 (3)  
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bromine   Br   35   79.904 (1)  
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krypton   Kr   36   83.798 (2) g m  
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rubidium   Rb   37   85.4678 (3) g  
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strontium   Sr   38   87.62 (1) g r  
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yttrium   Y   39   88.90585 (2)  
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zirconium   Zr   40   91.224 (2)  
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niobium   Nb   41   92.90638 (2)  
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molybdenum   Mo   42   95.94 (2) g  
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technetium   Tc   43   [ 98 ]  
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ruthenium   Ru   44   101.07 (2) g  
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rhodium   Rh   45   102.90550 (2)  
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palladium   Pd   46   106.42 (1) g  
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silver   Ag   47   107.8682 (2) g  
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cadmium   Cd   48   112.411 (8) g  
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indium   In   49   114.818 (3)  
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tin   Sn   50   118.710 (7) g  
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antimony   Sb   51   121.760 (1) g  
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tellurium   Te   52   127.60 (3) g  
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iodine   I   53   126.90447 (3)  
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xenon   Xe   54   131.293 (6) g  
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caesium   Cs   55   132.90545 (2)  
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barium   Ba   56   137.327 (7)  
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lutetium   Lu   71   174.967 (1) g  
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hafnium   Hf   72   178.49 (2)  
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tantalum   Ta   73   180.9479 (1)  
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tungsten   W   74   183.84 (1)  
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rhenium   Re   75   186.207 (1)  
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osmium   Os   76   190.23 (3) g  
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iridium   Ir   77   192.217 (3)  
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platinum   Pt   78   195.078 (2)  
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gold   Au   79   196.96655 (2)  
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mercury   Hg   80   200.59 (2)  
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thallium   Tl   81   204.3833 (2)  
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lead   Pb   82   207.2 (1) g m  
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bismuth   Bi   83   208.98038 (2)  
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polonium   Po   84   [ 209 ]  
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astatine   At   85   [ 210 ]  
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radon   Rn   86   [ 222 ]  
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francium   Fr   87   [ 223 ]  
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radium   Ra   88   [ 226 ]  
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lawrencium   Lr   103   [ 262 ]  
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rutherfordium   Rf   104   [ 261 ]  
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dubnium   Db   105   [ 262 ]  
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seaborgium   Sg   106   [ 266 ]  
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bohrium   Bh   107   [ 264 ]  
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hassium   Hs   108   [ 269 ]  
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meitnerium   Mt   109   [ 268 ]  
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ununnilium   Uun   110   [ 271 ]  
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unununium   Uuu   111   [ 272 ]  
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ununbium   UUb   112   [ 285 ]  
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(blank)   UUt   113   (blank)  
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ununquadium   UUq   114   [ 289 ]  
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(blank)   UUp   115   (blank)  
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ununhexium   Uuh   116   [ ? ]  
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(blank)   Uus   117   (blank)  
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ununoctium   Uuo   118   [ ? ]  
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lanthanum   La   57   138.9055 (2) g  
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cerium   Ce   58   140.116 (1) g  
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praseodymium   Pr   59   140.90765 (2)  
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neodymium   Nd   60   144.24 (3) g  
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promethium   Pm   61   [ 145 ]  
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samarium   Sm   62   150.36 (3) g  
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europium   Eu   63   151.964 (1) g  
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gadolinium   Gd   64   157.25 (3)  
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terbium   Tb   65   158.92534 (2)  
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dysprosium   Dy   66   162.500 (1) g  
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holmium   Ho   67   164.93032 (2)  
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erbium   Er   68   167.259 (3) g  
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thulium   Tm   69   168.93421 (2)  
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ytterbium   Yb   70   173.04 (3) g  
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actinium   Ac   89   [227]  
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thorium   Th   90   232.04  
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protactinium   Pa   91   231.04  
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uranium   U   92   238.03  
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neptunium   Np   93   [237]  
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plutonium   Pu   94   [244]  
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americium   Am   95   [243]  
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curium   Cm   96   [247]  
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berkelium   Bk   97   [247]  
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californium   Cf   98   [251]  
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einsteinium   Es   99   [254]  
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fermium   Fm   100   257  
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meldelevium   Md   101   [258]  
🗑
nobelium   No   102   [259]  
🗑


   

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