To form abbreviated notation of electronic configuration, the completely filled subshells are replaced by the noble gas of the preceding period in square brackets. The abbreviated electronic configuration of Cobalt is 3d7 4s2. What is the abbreviated electronic configuration of Cobalt? The electronic configuration of Cobalt is 1s2 2s2 2p6 3s2 3p6 3d7 4s2. What is the electronic configuration of Cobalt? Optical Properties of Cobalt Refractive IndexĪcoustic Properties of Cobalt Speed of SoundĬobalt Thermal Properties - Enthalpies and thermodynamics Refer to table below for the Electrical properties ofCobalt Electrical ConductivityĬobalt Heat and Conduction Properties Thermal Conductivity Hardness of Cobalt - Tests to Measure of Hardness of Element Mohs HardnessĬobalt is Conductor of electricity. This is clearly shown in the figure of the orbital diagram of cobalt.Refer to below table for Cobalt Physical Properties DensityĨ.9 g/cm3(when liquid at m.p density is $7.75 g/cm3) Therefore, the next five electrons will enter the 3d orbital in the clockwise direction and the remaining two electrons will enter the 3d orbital in the anti-clockwise direction. So, the next two electrons will enter the 4s orbital just like the 1s orbital. Then the next three electrons will enter the 3p orbital in the clockwise direction and the next three electrons will enter the 3p orbital in the anti-clockwise direction. Then the next two electrons will enter the 3s orbital just like the 1s orbital. The next three electrons will enter the 2p orbital in the clockwise direction and the next three electrons will enter the 2p orbital in the anti-clockwise direction. The next two electrons will enter the 2s orbital just like the 1s orbital. The 1s orbital is now filled with two electrons. Therefore, the electrons will first enter the 1s orbital.Īccording to Hund’s principle, the first electron will enter 1s orbital in the clockwise direction and the next electron will enter the 1s orbital in the anti-clockwise direction. When electrons want to enter the p-subshell, then the first electron will enter the p x orbital in the clockwise direction.ġs is the closest and lowest energy orbital to the nucleus. The orbitals are p x, p y, and p z and each orbital can have a maximum of two electrons. Hund’s principle is that electrons in different orbitals with the same energy would be positioned in such a way that they could be in the unpaired state of maximum number and the spin of the unpaired electrons would be one-way.įor example, we already know that the p-subshell has three orbitals. Hund’s principle is a rule that helps to determine how electrons are distributed in orbitals when multiple orbitals of the same energy level are available. That is, the orbital notation of cobalt is 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 7. Now it is possible to find the orbital notation of cobalt very easily through electron configuration. The atomic number of cobalt is 27, which means it has 27 electrons. The Aufbau principle is that the electrons present in the atom will first complete the lowest energy orbital and then gradually continue to complete the higher energy orbital. This orbital notation system always follows the Aufbau principle. This is similar to electron configuration, but numbers are used instead of boxes to represent the positions of the electrons. The cobalt orbital notation is a shorthand system designed to represent the exact positions of the electrons in the cobalt atom. The sub-energy level ‘s’ can hold a maximum of two electrons, ‘p’ can hold a maximum of six electrons, ‘d’ can hold a maximum of ten electrons, and ‘f’ can hold a maximum of fourteen electrons. Each orbital can have a maximum of two electrons. The orbital number of the s-subshell is one, three in the p-subshell, five in the d-subshell, and seven in the f-subshell. The sub-energy levels are known as s, p, d, and f. The sub-energy levels depend on the azimuthal quantum number. The most probable region of electron rotation around the nucleus is called the orbital. These sub-energy levels are also called orbital. Again, atomic energy shells are subdivided into sub-energy levels. These circular paths are called orbit (shell). The electrons of the atom revolve around the nucleus in a certain circular path. To create an orbital diagram of cobalt, you first need to know the atomic orbitals and the orbital notation for the cobalt atom, and also you need to know Hund’s principle. Orbital is the region of space around the nucleus of an atom where electrons are found. This diagram shows how the electrons in the cobalt atom are arranged in different orbitals. The cobalt orbital diagram is a graphical representation of the electron configuration of the cobalt atom.
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