11.1 Give a “yes” or “no” answer to the following questions: — Physical Chemistry Chemistry Question
Radioactivity and chemical reactivity
11.1 Give a “yes” or “no” answer to the following questions:
Is the -radiation of radioactive objects electromagnetic in nature?
Model Answer
-rays are a form of high energy electromagnetic radiation.
Do any non–radioactive exist with atomic number greater than 83?
Model Answer
There are no stable (non–radioactive) isotopes beyond Bi.
Do any radioactive isotopes exist with atomic number less than 82?
Model Answer
There are numerous light isotopes that are radioactive.
Do noble gases form compounds with other elements?
Model Answer
Xe compounds such as XeF2 are commercially available.
Is Cs the most easily ionizable non–radioactive element?
Model Answer
Cs is the element with the lowest ionization potential (3.89 eV).