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Atomic Emission Spectra

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In nature, electrons always tend toward the lowest energy state possible, as the lowest energy state is also the most stable.

Just like how the ground is low and stable, the ground state is the lowest and stablest energy state that an atom can have.

When an atom in ground state is given energy,what happens to its electrons?

An atom in an excited state is not stable. Therefore, the excited electrons must get rid of the excess energy to return to a lower state. How do electrons emit the energy and in what form?

What are some ways in which electrons gain energy?

License: CC BY-NC 3.0

[Figure1]

An atomic emission spectrum is the pattern of lines formed when light passes through a prism to separate it into the different frequencies of light it contains.

How do the colors, frequencies, and patterns of an emission spectrum help you determine the differences in energy level?

For guidance in answering the questions in this guide or for more information, look here.

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  1. [1]^ License: CC BY-NC 3.0

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