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A typical electron configuration consists of numbers, letters, and superscripts with the following format: A number indicates the energy level (The number is called the principal quantum number.). A letter indicates the type of orbital; s, p, d, f. A superscript indicates the number of electrons in the orbital.
The principal quantum number defines the general value of the electronic energy. The angular momentum quantum number determines the shape of the orbital. And the magnetic quantum number specifies orientation of the orbital in space, as can be seen in Figure \(\PageIndex{3}\).
The filling diagram for carbon is shown in Figure \(\PageIndex{10}\). There are two \(2p\) electrons for carbon and each occupies its own \(2p\) orbital. Figure \(\PageIndex{10}\): Orbital filling diagram for carbon. Oxygen has four \(2p\) electrons.
QUANTUM NUMBERS WORKSHEET. 1. Name the orbitals described by the following quantum numbers. a. n = 3, l= 0. b. n = 3, l = 1. c. n = 3, l = 2. d. n = 5, l = 0. 2. Give the n and l values for the following orbitals.
The quantum numbers are parameters that describe the distribution of electrons in the atom, and therefore its fundamental nature. They are: 1. PRINCIPAL QUANTUM NUMBER (n) - Represents the main energy level, or shell, occupied by an electron. It is always a positive integer, that is n = 1, 2, 3 ... 2.
The electronic configuration of an atom provides information on which orbitals its electrons are in. The Periodic Table below shows how the orbitals occupied by the valence electrons. The number in front of the orbital (1s, 2s, 2p etc) gives the shell (the n quantum number).
6 Σεπ 2021 · Boost your 14–16 students’ confidence drawing electron configuration diagrams with these easy to follow steps. An electron configuration diagram is a model that depicts the position of electrons as they orbit the nucleus of an atom.
