Answer :
Osmium has 76 protons,76 electrons and 114 neutrons.
The element with an isotope of 76 electrons , 76 protons and 114 neutrons is Os, with the isotopic symbol, [tex]\rm_{76}^{190}Os[/tex].
What is osmium?
Osmium is 76th element in periodic table. It is a transition metal and it is placed in the d-block of periodic table. The atomic number of osmium is 76 , hence it contains 76 electrons and 76 protons.
Isotopes are atoms of same element with different mass numbers. The isotope of osmium with 114 neutrons and 76 protons has the mass number of 114 + 76 = 190. Hence, its symbol can be written as: [tex]\rm_{76}^{190}Os[/tex].
Osmium is the densest naturally occurring element with hardness and brittleness nature. Osmium forms oxides and nitrides. It is in platinum group of periodic table. In general lower oxidation states of osmium is more stabilised than its higher oxidation state compounds.
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