high-risk-not financially safe or secure; a bad investment; high risk investments; anything that promises to pay too much can't help being risky; speculative business enterprises. speculative, risky, bad. unsound-not sound financially; unsound banking practices.
Iodine has seven valence electrons. Valence electrons of an atom are located in the outermost shell of the atom and participate in bonding. If an... Become a Study.com member to unlock this answer!
Iodine has only one stable isotope. A number of iodine radioisotopes, such as 131 I, are also used in medical applications. Iodine is found on Earth mainly as the highly water-soluble iodide ion Iâ , which concentrates it in oceans and brine pools. Like the other halogens, free iodine occurs mainly as a diatomic molecule I 2, and then only momentarily after being oxidized from iodide by an oxidant like free oxygen.