MeShelJai MeShelJai

09-03-2017
Chemistry

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If an atom has 34 protons and 40 neutrons, what is its mass number?

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jordangross32 jordangross32

09-03-2017

The answer is 74.........

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Star2012 Star2012

09-03-2017

add the protons and neutrons together to get the mass number

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