According to the principle, electrons fill orbitals starting at the lowest available energy states before filling higher states (e.g., 1s before 2s). The Madelung energy ordering rule: Order in which orbitals are arranged by increasing energy according to the Madelung Rule.
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The element that isn't combined has the same electrons as protons, then it is 8 electrons.
Answer:
refractors and reflectors
Explanation:
An ellipse has one center, two foci and a major axis and a minor axis. Compared to a circle where the points lying in the circle is equidistant to the center, the ellipse does not have a diameter because of the existence of major and minor axis.
If the pressure on an ideal gas is increased, the volume of the gas will decrease. This can be predicted with the use of the ideal gas equation which is expressed as: PV = nRT. At constant temperature, we can say that pressure and volume are inversely related. Thus, as one value increase, the other decrease.
