Asubstance has an empirical formula of ch2 and a molar mass of 56 grams per mole. the molecular formula for this compound is
(1) ch2 (3) c4h8
(2) c4h6 (4) c8h4

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

Is a chemical message sent by another individual.

How many neutrons does an element have if its atomic number is 50 and its mass number is 166