Chemistry, 30.01.2020 01:49 kayranicole1
Elements occur in a number of isotopic forms. in this problem, you will learn about the notation used to distinguish different isotopes.
part a
how many protons z and how many neutrons n are there in a nucleus of the most common isotope of silicon, 28/14si?
separate your answers with a comma.
z, n =
Answers: 3
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If 10.0 ml of the solution on the right are withdrawn from the 100 ml beaker and diluted again in a similar manner, what is the new concentration? m nacl
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An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.
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Uranium can supply energy for the worlds electricity without admitting harmful greenhouse gases which of these statements best describes an outcome of uranium mining
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Elements occur in a number of isotopic forms. in this problem, you will learn about the notation use...
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