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!
With 131 particles in the nucleus, Iodine will have 78 neutrons. The atomic number of Iodine (53) never changes, and the atomic number of an element is the number of protons i â¦ t has. Therefore, 131 particles (protons or neutrons) minus 53 protons = 78 neutrons.