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Each element has its own emission and absorption lines. What is the best explanation for this?

1) Each element has a specific number of protons and neutrons.
2) Each element has a distinct number of electrons.
3) Each element has a unique set of physical characteristics.
4) Each element has unique energy levels.

Respuesta :

Erudite1
The correct option is EACH ELEMENT HAS A UNIQUE ENERGY LEVELS.
The emission spectrum of an element refers to the frequencies of electromagnetic radiation which are emitted from the element as a result of the transitions of the element through various energy levels.

The answer is D on edge

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