Element X has 2 naturally occurring isotopes. The first isotope has an atomic mass of 44.009 amu and its natural abundance is 33.00%. The second isotope has an atomic mass of 40.50 amu. What is the atomic mass of element X?

How air particles exert a pressure on the inside of the balloon

Which atom or ion is the largest? 0 a. 0 0 0 0 e. li

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