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The electrons below belong to Vanadium. If you add an electron to it, it converts to a V 2+ ion. For the element vanadium, Z=23, and thus.....[Ar]3d^(3)4s^2. For Vanadium, the atomic number is 23 and the … Core electrons are tightly bound to the nucleus. .....and thus we have to accommodate 23 electrons. Vanadium makes up 150 parts per million (ppm) of the Earth's core and comprises 0.019 percent of the Earth's crust, ... Vanadium atoms have 23 electrons, 28 neutrons and 23 protons. For example, a vanadium ion that is missing three electrons would have a charge of V 3+. Vanadium has 2 valence electrons because if you look at the electron configuration the first shell has 2 the second 8 the third 11 and the last shell (where the valence electrons are) has 2. We build on an argon core, which accounts for 18 electrons: [Ar]3d^(3)4s^2. 5 valence electrons. This adds up to 23 total electrons, the atomic number of vanadium is 23. Some are hard to memorise (or predict), so what is the electron configuration of an atom of V? In order to figure the electron configuration of an element, you've got to know the atomic number. Electrons have a specific form of distribution (or configuration) in every atom, even Vanadium. Name: Vanadium Symbol: V Atomic Number: 23 Atomic Mass: 50.9415 amu Melting Point: 1890.0 °C (2163.15 K, 3434.0 °F) Boiling Point: 3380.0 °C (3653.15 K, 6116.0 °F) Number of Protons/Electrons: 23 Number of Neutrons: 28 Classification: Transition Metal Crystal Structure: Cubic Density @ 293 K: 5.8 g/cm 3 Color: Silverish Atomic Structure Vanadium's atomic number is 23, 1s2 2s2 2p6 3s2 3p6 4s2 3d3. Vanadium is a Transition element. For example, a vanadium ion that is missing three electrons would have a charge of V 3+. Hint: [Ar13d34s2) A. valence B. noble gas core C. pseudo noble gas core n=4,1 =0, m,-0, ms =-1/2 # n-3, 1-2, m,-0, ms*-1/2 Label them as noble gas core, pseudo noble gas core, or valence. The nucleus and the core electrons of an atom form the atomic core. Core electrons are the electrons in an atom that are not valence electrons and do not participate in chemical bonding. Electron configurations are the patterns of arrangement of electrons that are associated with a certain molecule or atom. This is also the number of electrons that participate in bond formation with similar or different atoms. In the case of Vanadium the abbreviated electron configuration is [Ar] 3d3 4s2. 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