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Semimetallics

Name: Silicon
Symbol: Si
Atomic Weight: 28.0855
Atomic Number: 14
Element Classification: Semimetallics
Discovered By: Jons Jacob Berzelius
Discovery Date: 1824 (Sweden)
Name Origin:Latin: silex, silicus, (flint).
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Symbol: Si Silicon
Atomic Number: 14
Atomic Weight: 28.0855
Name: Germanium
Symbol: Ge
Atomic Weight: 72.61
Atomic Number: 32
Element Classification: Semimetallics
Discovered By: Clemens Winkler
Discovery Date: 1886 (Germany)
Name Origin:Latin: Germania (Germany).
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Symbol: Ge Germanium
Atomic Number: 32
Atomic Weight: 72.61
Name: Arsenic
Symbol: As
Atomic Weight: 74.92159
Atomic Number: 33
Element Classification: Semimetallics
Discovered By: Known to the ancients.
Discovery Date: n/a (Unknown)
Name Origin:Greek: arsenikon; Latin: arsenicum, (both names for yellow pigment).
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Symbol: As Arsenic
Atomic Number: 33
Atomic Weight: 74.92159
Name: Antimony
Symbol: Sb
Atomic Weight: 121.760
Atomic Number: 51
Element Classification: Semimetallics
Discovered By: Known to the ancients.
Discovery Date: n/a (Unknown)
Name Origin:Greek: anti and monos (not alone), symbol from mineral stibnite.
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Symbol: Sb Antimony
Atomic Number: 51
Atomic Weight: 121.760
Name: Tellurium
Symbol: Te
Atomic Weight: 127.6
Atomic Number: 52
Element Classification: Semimetallics
Discovered By: Franz Joseph Meller von Reichenstein
Discovery Date: 1782 (Romania)
Name Origin:Latin: tellus (earth).
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Symbol: Te Tellurium
Atomic Number: 52
Atomic Weight: 127.6
Name: Polonium
Symbol: Po
Atomic Weight: 208.9824
Atomic Number: 84
Element Classification: Semimetallics
Discovered By: Pierre and Marie Curie-Sklodowska
Discovery Date: 1898 (France/Poland)
Name Origin:Named for Poland, native country of Marie Curie.
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Symbol: Po Polonium
Atomic Number: 84
Atomic Weight: 208.9824
Name: Boron
Symbol: B
Atomic Weight: 10.811
Atomic Number: 5
Element Classification: Semimetallics
Discovered By: Sir H. Davy, J.L. Gay-Lussac, L.J. Thenard
Discovery Date: 1808 (England/France)
Name Origin:The Arabic and Persian words for borax.
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Symbol: B Boron
Atomic Number: 5
Atomic Weight: 10.811