The document is an interactive periodic table of chemical elements that allows the user to select an element and view information about it. The periodic table contains all 118 known elements organized into blocks by their metallic and non-metallic properties. By clicking on an element, the user can access a page with details on its chemical properties, health and environmental effects, applications, and history. The periodic table is intended to be a free reference for students, teachers, and professors for educational purposes.

1. P eri c tabl
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http://www.lenntech.com/periodic-chart.htm
P eri c ch art of el en ts
odi em
Metals Select element
Semi-conductors Select element
Non-metals Select element
Inert gasses Select element
Lanthanides en actinides Select element
Each chemical element contains a link to a page that explains its chemical properties, health effects, environmental effects, application data, an
image and also information of the history/inventor of each element.
I II III IV V VI V II V III
1 H1 Choose elements by name, by atomic number, by symbol, by mass H e2
2 Li3 B e4 B5 C6 N7 O8 F9 N e10
Click here for the history of the periodic table.
3 N a11 M g 12 Al3
1 Si 4
1 P 15 S 16 Cl 7
1 A r1 8
4 K 19 C a20 S c2 1 Ti 2
2 V 23 C r2 4 M n 25 Fe 2 6 C o27 N i8
2 C u 29 Zn 3 0 G a31 G e32 A s3 3 S e34 B r3 5 K r3 6
5 R b 37 S r3 8 Y 39 Zr4 0 N b 41 M o42 Tc4 3 R u 44 R h 45 P d 46 A g 47 C d 48 In 4 9 S n 50 S b 51 Te 5 2 I5 3 X e54
6 C s5 5 B a56 La 5 7 H f7 2 Ta 7 3 W 74 R e75 O s7 6 Ir7 7 P t7 8 A u 79 H g 80 Tl 1
8 P b 82 Bi3
8 P o84 A t8 5 R n 86
7 Fr8 7 R a88 A c8 9 Rf Db Sg Bh Hs Mt Ds U uu U ub U ut U uq UUp U uh U us U uo
104 105 106 107 108 109 110 111 112 113 114 115 116 117 118
C e58 P r5 9 N d 60 P m 61 Sm 62 Eu 6 3 G d 64 Tb 6 5 D y6 6 H o67 Er6 8 Tm 69 Y b 70 Lu 7 1
Th 9 0 P a91 U 92 N p 93 P u 94 Am 95 Cm 96 B k97 C f9 8 Es9 9 Fm 100 M d 1 0 1 N o 1 0 2 Lr1 0 3
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