Every electron in an atom is described by a unique set of four quantum numbers:

Question

Every electron in an atom is described by a unique set of four quantum numbers: n, t, ml, and ms. The principal quantum number, n, identifies the shell in which the electron is found. The angular momentum quantum number, t, indicates the kind of subshell. The magnetic quantum number, mt, distinguishes the orbitals within a subshell. The spin quantum number, ws, specifies the electron spin. Identify the sets of quantum numbers that describe all the electrons in a neutral beryllium atom, Be. Each set is ordered {n, l, ml, ms} Drag the appropriate items to their respective bins. List a possible set of four quantum numbers (n, l, ml, ms} in order, for the highest energy electron in gallium, Ga Refer to the periodic table as necessary. Enter four numbers separated by commas (e.g., 3, 2,-2, 1/2).

Explanation / Answer

electrons in Be:
2,0,0,1/2
2,0,0,-1/2
1,0,0,1/2
1,0,0,-1/2

all the other are dragged in electrons not in Be.

4,1,-1, 1/2 for the highest energy electron in Ga

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