angelfelix4455 angelfelix4455

20-04-2021
Chemistry

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What does the period number tell about the energy levels occupied bye electrons in an atom

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aliciawallace90 aliciawallace90

20-04-2021

Answer:

The period number tells which is the highest energy level occupied by the electrons.

Explanation:

The period number (denoted by n) is the outer energy level that is occupied by electrons in an atom.
The period number that an element is in, is the number of energy levels that the element has.
When we move across a period from left to right in a periodic table the number of electrons in atoms increases within the same orbit.

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