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Chromium
Essential trace element
• Glucose tolerance factor --> BEQ
Molybdenum
Essential trace element
• Co-factor enzyme
Molybdenum Oxide - MoO3
Use:
• MOL-IRON (Molybdenum oxide + Ferrous
sulfate
Uranium
First radioactive element discovered by Henri
Becquerel.
• It is used in the manufacture of atomic bombs
Flourine
Most electronegative element
• Super halogen (Linus Pauling)
Chlorine
aka: Dephlogisticated Muriatic Acid
• Chloros: Greenish Yellow Gas
• Chloride: Most abundant extracellular anion
• Use as water disinfectant
• Chlorides are precipitated with silver nitrate
Bromine
Greek meaning: Stench
• Dark reddish-brown fuming liquid with
suffocating odor
• Quickly attacks the skin to cause burn that is slow to heal. (Ammonia water prevents action).
Use:
• Sedative
• Depressant
Poisoning :
• Bromism
Bromine compound
Bromine 10th N solution
• aka: Koppeschaar’s solution
Use:
• Assay of phenols and related compounds
Iodine
Greek meaning: Violet colored
• Most metallic halogen
• Oldest germicide still used today
Iodine
Deficiency:
• Goiter
Toxicity:
• Iodism
Antidote: Corn starch. Sodium thiosulfate
Phenolic Iodine Solution
Aka: bolton’s solution
Anto bacterial and irritant
Strong iodine solution
aka: Lugol’s solution
• 5% Iodine with KI in water
Astatine
Only metallic and synthetic halogen resembling iodine.
• Only radioactive halogen
• Half-life (8.1 hours) -rarest element