Lyndsey135 Lyndsey135

03-01-2015
Biology

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How many protons, electrons, and neutrons does an atom of iridium (Ir) have

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lrathburn lrathburn

03-01-2015

Iridium has 77 protons, 77 electrons, and 115 neutrons. You can figure out the protons/electrons from it's atomic number, 77. Because it's atomic mass is 192, subtacting the atomic number 77 from this gives you 115 neutrons!

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