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5 days ago · At some point during Stonehenge’s fifth stage, between 2030 and 1750 bce, a ring of pits known as the Z Holes was dug outside the sarsen circle. A second ring of pits, called the Y Holes, was dug during the monument’s sixth and final stage of construction, between 1640 and 1520 bce.
Sep 10, 2024 · According to Pauli’s exclusion principle, each electron in an atom has a distinctive set of quantum numbers. The four quantum numbers are: > Principal quantum number (n) - The electronic shell (orbit) is described by the principal quantum number (n). The value of n may be any integer.
