By one mole of osmium, we can say that it contains 6.02 x 10 23 atom. So we can say that one osmium atom contains 76 electrons: 2, 8, 18, 32, 14, 2.
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Osmium atoms have 76 electrons and protons, and between 108 and 116 neutrons. The isotopes with more neutrons are more abundant.
The element with 76 protons is atomic number 76, which corresponds to osmium (Os) on the periodic table. The number of neutrons can vary among isotopes of osmium, but an isotope with 114 neutrons would have a mass number of 190.
The number of neutrons in the main isotopes of osmium and their abundance is116 (41%),114 (26%),113 (16%),112 (13%)There are three more isotopes with fewer protons and abundance below 5%.
An Osimum atom with mass number 188 has 118 protons (atomic number for Osmium). To find the number of neutrons, we subtract the atomic number from the mass number: 188 - 118 = 70 neutrons.
The element Osmium has 76 protons and 76 electrons
You are talking about Iridium. Iridium is a very hard, brittle, silvery/white (transition) metal part of the Platinum family, in fact it is the second densest element after Osmium. This should answer the Question.