Please Help 1. What is the parent isotope when Rn-218 is formed as a result of an alpha decay? A. At-212
B. Ra-88
C. Ra-222
D. Ac-228

2. What is the parent isotope when Holmium-166 is formed during an alpha decay?

A. Tm-170
B. Er-170
C. Tb-160
D. Dy-164

Fugu, also known as puffer fish, is a sushi delicacy that can also be lethal. puffer fish contain a powerful toxin that can kill an adult a few hours after ingestion. sushi chefs who prepare fugu must be specially trained because any contamination of the toxin-free areas of the fish can be deadly. recently this toxin has been put to good use, as scientists have discovered that a purified form of it can treat severe pain in cancer patients. this recent scientific discovery would fall under which area of chemistry? applied biochemistry pure organic chemistry pure physical chemistry applied inorganic chemistry

Which formula can be used to calculate the molar mass of ammonia (nh3)? molar mass of n + molar mass of h 3 × molar mass of n + molar mass of h molar mass of n + 3 × molar mass of h 3 × molar mass of n + 3 × molar mass of h

Draw metallic bonding if two copper