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Damm [24]
3 years ago
11

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

Biology
1 answer:
kvasek [131]3 years ago
8 0
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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Which matches mendeleev's prediction for the properties of eka aluminum answers?
alex41 [277]
For the answer to the question above, I think that <span>Mendeleev's eka-aluminum is what we know today as <u><em>GALLIUM</em></u></span><u><em>.</em></u>
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I hope my answer helped you. Have a nice day!
<span /><u />
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Answer: The correct answer is-

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