Carbon – six electrons n ℓ Orbital Name 1 0 1s 1 0 2 0 2s 2 0 Click to see full answer. Moreover, what is quantum number?A quantum number is a value that is used when describing the energy levels available to atoms and molecules. An electron in an atom or ion has four quantum numbers to describe its state and yield solutions to the Schrödinger wave equation for the hydrogen atom. n – principal quantum number: describes the energy level.Furthermore, what are the quantum numbers for silicon? So, in silicon, how many electrons will have n = 3 as one of their quantum numbers? The answer is 4. There are two 3s electrons and two 3p electrons. All start with 3, so all will have a principal quantum number of 3. Keeping this in consideration, what are the 4 quantum numbers describe each? To completely describe an electron in an atom, four quantum numbers are needed: energy (n), angular momentum (ℓ), magnetic moment (mℓ), and spin (ms). The first quantum number describes the electron shell, or energy level, of an atom.What are the 4 quantum numbers and their symbols? Rules Name Symbol Range of values Principal quantum number n 1 ≤ n Azimuthal quantum number (angular momentum) ℓ 0 ≤ ℓ ≤ n − 1 Magnetic quantum number (projection of angular momentum) mℓ −ℓ ≤ mℓ ≤ ℓ Spin quantum number ms −s ≤ ms ≤ s

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