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Physics

Emission Spectra

Quick fact

Each element emits a unique set of colors when heated, like a fingerprint for atoms.

Why this is interesting

Have you ever wondered how scientists can identify the elements in distant stars? The answer lies in something called emission spectra.

Read the full explanation

Understanding Emission Spectra

When an atom absorbs energy, its electrons jump to higher energy levels. When they fall back down, they release light at specific wavelengths, creating a distinct pattern of bright lines called emission spectra.

A deeper explanation

Emission spectra arise from the quantized energy levels within atoms. Electrons transition between these levels by emitting photons with energies corresponding to the difference in levels. This unique pattern helps scientists identify elements and study their properties.

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