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!
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.