Name |
Thallium |
Symbol |
Tl |
Atomic Number |
81 |
Atomic Mass |
204.38 |
Number of Protons |
81 |
Number of Electrons |
81 |
Number of Neutrons |
123 |
Melting Point |
303.5 degrees Celcius |
Boiling Point |
1457.0 degrees Celcius |
Normal Phase |
Solid |
Family |
Transition Metal |
Period |
6 |
Group |
13 |
Origin of Name |
From the Greek word, thallus, meaning young shoot |
Date & Place of Discovery |
Discovered in 1861 in England by Sir William Crookes |
Interesting Facts |
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Common Uses |
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