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Which statement best describes how electrons fill orbitals in the periodic table?

A. Electrons fill orbitals in order of their increasing energy from left to right.
B. Electrons fill orbitals in order from top to bottom in each group.
C. Electrons fill orbitals in order of increasing energy from bottom to top in each group.


Sagot :

Final answer:

Electrons fill orbitals in a specific sequence based on increasing energy levels, determining the properties and behavior of elements on the periodic table.


Explanation:

Electrons fill orbitals in a consistent order: they first fill the orbitals closest to the nucleus, then continue to fill orbitals of increasing energy further from the nucleus. The filling order is based on the principle of increasing energy levels, where orbitals are filled in a specific sequence: 1s, 2s, 2p, 3s, 3p, and so on.

As the principal quantum number increases, electrons move to higher energy levels and spend more time away from the nucleus. The order of filling orbitals is essential in understanding the behavior and properties of elements on the periodic table.


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