the mass number of an element is equal to which of the following

Chemistry
Tutor: None Selected Time limit: 1 Day

number of protons plus number of neutrons

number of protons

number of electrons plus number of protons

number of isotopes

Sep 26th, 2015

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number of protons plus number of neutrons.................................................................

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Sep 26th, 2015

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Sep 26th, 2015
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