Thursday
August 28, 2014

Homework Help: chem

Posted by lyne on Wednesday, January 7, 2009 at 6:54pm.

how many protons, nnutrons, atomic mass, mass number, and charge to each of the following have?

sodium atom
fluorine ion
stannic ion

for sodium i have
protons=11
electrons=11
neutral charge

how do i find the number of neutrons cause im pretty sure mass number is protons plus neutrons

also is this right so far?

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