The number of protons defines an element - the number of neutrons isn't needed to find the identity of the element. One such material, ruthenium red, is a dye used to stain negatively charged biomolecules such as nucleic acids in microscopy. Ruthenium compounds also have some nice optical and electronic properties. A = Z+N with N the number of neutrons. So N = A-Z = 101 - 44 = 57. 53Cr. The most common is around 58 neutrons Origin of Name: From the Greek word rhodon, meaning rose: Date and Place of Discovery: In 1803 in England: Discovered by: William H. Wollaston: Common Compounds: Rhodium acetate dimer (Rh 2 (AcO) 4); Hydrated rhodium trichloride (RhCl 3 (H 2 O) 3); Interesting facts N = 4{n} + 8[n] + 4(n) = 16 STRUCTURE OF Ru-96, Ru-98, Ru-100, R-102, AND Ru-104 WITH S =0. So Ruthenium got 44 electrons. Electronegativity of Ruthenium is 2.2. The number of protons determines the element, but the number of neutrons in the atom of any one element can vary. Element 44 (Ruthenium) has 44 electrons and 44 protons.The neutrons varies, between 43 and 76. Atomic Number: 75 Atomic Mass: 186.207 amu Melting Point: 3180.0 °C (3453.15 K, 5756.0 °F) Boiling Point: 5627.0 °C (5900.15 K, 10160.6 °F) Number of Protons/Electrons: 75 Number of Neutrons: 111 Classification: Transition Metal Crystal Structure: Hexagonal Density @ 293 K: 21.02 g/cm 3 Color: silverish Atomic Structure Each variation is an isotope. 103Ru. All ions and isotopes with 44 protons is ruthenium. How many protons, electrons & Neutrons does the following have? According to the diagram of Ru and the three cases of top views the Re-96 has 44p of … Ruthenium (Ru), chemical element, one of the platinum metals of Groups 8–10 (VIIIb), Periods 5 and 6, of the periodic table, used as an alloying agent to harden platinum and palladium.Silver-gray ruthenium metal looks like platinum but is rarer, harder, and more brittle. 67Zn At least nine radioactive isotopes of ruthenium … First Ionization Energy of Ruthenium is 7.3605 eV. 1 Atomic Structure and the Bohr Model. Atomic number represents too the number of Protons, and since an atom is electrically neutral, the number of protons is equal to the number of electrons. Like its lighter close relative, iron, ruthenium readily forms a number of oxides including some exotic oxygen bridged multi metallic compounds. Here you see that the total number N of extra neutrons filling the extra blank positions is. Ruthenium - Affinity - Electronegativity - Ionization Energy. 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