Rhodium, a metal used as a catalyst and in jewelry, currently sells for $1500. per troy ounce. If 6.022 x 10^23 rhodium atoms have a mass of 102.9 grams, how many rhodium atoms could you buy for exactly one nickel

The image shows a process that releases nuclear energy which statement best identifies the process shown the process must be fusion because energy is released the process must be fusion because of have your nucleus formed a smaller nuclei the process must be fission because a large nucleus breaks into smaller nuclei the process must be fission because neutrons are formed

Athe top of a hill, an athlete on a skateboard has x joules of mechanical energy. how much mechanical energy will she have at the bottom of the hill? ignore the effects of friction.

When did stem cell research become known ? who discovered stem cell? what experiments or studies have been conducted so far?