hund's rule in words

Hund's Rule of Maximum Multiplicity - According to this rule, electron pairing will not take place in orbitals of same energy (same sub-shell) until each orbital is first singly filled with parallel spin. In other words in a set of orbitals having same energy..

According to this rule, electron pairing will not take place in orbitals of same energy (same sub-shell) until each orbital is first singly filled with parallel spin. In other words in a set of orbitals having same energy (degenerate orbitals), the electrons distribute the..

It states that when more than one orbital of equal energies are available then the electrons will first occupy these orbitals separately with parallel spins. The pairing of electrons will start only after all the orbitals of a given sub level are singly occupied. This is because electrons with par..

Rules for Filling Molecular Orbitals - The following rules are followed for filling up molecular orbitals with electrons in order to write molecular configurations: 1. The molecular orbital having the lowest energy is filled first. This is in accordance with Aufbau principle as ..

While writing a unit, only its singular form is used. The abbreviation does not have a full stop. The sign of degree ( o ) is omitted when Kelvin scale is used. Unit combinations should be indicated by means of either a dot or leaving space in between. Metre Kelvin = m.K or m K ..

Order of naming ions - The cation is named first (whether simple or complex) then the anion. Example: [Co(NH 3 ) 6 ]Cl 3 hexaammine cobalt (III) chloride. K 2 [PtCl 6 ] potassium hexachloroplatinate (IV). Name is started with a small letter and the complex part is written as one word. For..

In lithium (Z =3), the third electron goes to the next 2s orbital. In Beryllium (Z = 4), the fourth electron fills 2s orbital and in boron (Z = 5), the next electron goes to the next available 2p orbital. In carbon, the sixth electron is also to go into the 2p orbital as 2p subshell can accommodate..

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fig 1.6 - Energy level diagram for a multi-electron atom The energy level diagram for a multi-electron atom is as shown above. The filling of orbitals is governed by the following rules: 1) Aufbau principle 2) Pauli's exclusion principle 3) Hund's rule of maximum multi..

Grammar may be roughly defined as the way a language manipulates and combines words (or groups of words) in order to form longer, meaningful units. For example, in English, the present form of the verb 'be' in the third person has two distinct forms, one (is) being used with a ..