What does it mean if an element has a -2 charge? Provide an example of an element that does this and explain why it takes on this charge.

Listenbase your answer to the question on the information below. nuclear radiation is harmful to living cells, particularly to fast-growing cells, such as cancer cells and blood cells. an external beam of the radiation emitted from a radioisotope can be directed on a small area of a person to destroy cancer cells within the body. cobalt-60 is an artificially produced radioisotope that emits gamma rays and beta particles. one hospital keeps a 100.0-gram sample of cobalt-60 in an appropriate, secure storage container for future cancer treatment. which choice represents the correct product for the beta decay of the co-60? fe-60ni-60fe-61ni-61

What is the indicator of the number of ions in solution? the amount of conductivity the amount of precipitate the amount of solute added

What is the volume of 2.5 moles of nitrogen gas (n2)at standard temperature and pressure (stp)?