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 is a bluish-black, lustrous solid that mainly occurs in. nature as stable iodine-127. A small amount of radioactive iodine-129 is. produced naturally in the upper atmosphere by the interaction of high-. energy particles with xenon. Iodine volatilizes at ambient temperatures into. a pretty blue-violet gas with an irritating odor.