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A spectrograph is an instrument for chemical analysis.

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Q: How does a spectrograph provide information about stars chemical composition?
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What do prefixes that are of a chemical name tell you about the chemical?

Prefixes in chemical names indicate the number of atoms of each element present in the molecule before the main part of the name. They provide information about the composition and structure of the compound.


What are systematic names preferred over common names?

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What information does coefficients provide in a balanced chemical equation?

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Is there an instrument or device that can provide accurate data of an alloy's composition without having to go to a chemical lab to dissolve or break down the alloy to determine its composition?

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