Thallium


 * The element name. Thallium
 * The element symbol. TM
 * Group number and period on the periodic table. 69
 * Name of the person and year it was discovered.
 * State of the element at room temperature (solid, liquid or gas)
 * The colour of the element
 * The atomic number and mass
 * Picture(s) of the element
 * Number of protons, neutrons and electrons
 * Boiling and melting points (in degrees Celsius)
 * Metal/Metalloid/Non-metal
 * 5 Important uses/interesting facts and any other information you think will be interesting and/or useful to others (including common chemical compounds)