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!
You may remember from Chemistry class, Iodine is a chemical element of the periodic table with the symbol I and atomic number 53. But Besides knowing the physical properties of iodine, you may not be aware of exactly what iodine is and the immense history behind the use of this vital element.