Chemistry, 08.06.2020 09:57 charlesmb7985
An element A contains two naturally occurring isotopes 17 35 A and 17 37 A. If the abundance of these two isotopes are 75% and 25% respectively. Calculate the average atomic mass of the element A.
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Chemistry, 22.06.2019 02:30
You have a sample of a gas that occupies a volume of 17ml at -111 degrees celsius. what volume does the sample occupy at 88 degrees celsius? show all work asap
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Chemistry, 22.06.2019 13:00
16. why must the number of electrons lost equal the number of electrons gained in every redox reaction? use 3 – 4 sentences in your own words to address this question. 18. what type of radiation is emitted when chromium-51 decays into manganese-51? show the nuclear equation that leads you to this answer. 19. a radioactive nucleus alpha decays to yield a sodium-24 nucleus in 14.8 hours. what was the identity of the original nucleus? show the nuclear equation that leads you to this answer.
Answers: 2
Chemistry, 22.06.2019 13:30
The atomic number, or number, is the described as the number of in the nucleus of an chemical element.
Answers: 1
An element A contains two naturally occurring isotopes 17 35 A and 17 37 A. If the abundance of thes...
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