Problem: What is the mass number of an ion with 104 electrons, 157 neutrons, and a +1 charge?

FREE Expert Solution

We are asked to determine the mass number of an ion with 104 electrons157 neutrons, and a +1 charge.


Recall that mass number is equal to the sum of the protons and neutrons in the atomic nucleus.


Mass Number = # protons + # of neutrons


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Problem Details

What is the mass number of an ion with 104 electrons, 157 neutrons, and a +1 charge?

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