Chemistry, 07.10.2020 23:01 mikeymanfs
You have discovered a new element called element X. Element X has two isotopes. X-50 has a percent abundance of 80%. X-56 has an abundance of 20%. What is the atomic mass of element x?
Answers: 3
Chemistry, 23.06.2019 04:40, dd123984
Temperature is defined as a. the equivalent of heat. b. a measure of the average kinetic energy of the individual atoms or molecules composing a substance. c. how hot or cold it is. d. the total kinetic energy of the atoms or molecules composing a substance. e. none of the above is correct.
Answers: 1
You have discovered a new element called element X. Element X has two isotopes. X-50 has a percent a...
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