The diagram below represents the bright-line spectra of four elements and a bright-line spectrum pro

January 2020 NY Regents Chemistry Exam

49 The diagram below represents the bright-line spectra of four elements and a bright-line spectrum produced by an unidentified element.

What is the unidentified element?

Solution: To identify the unknown element we have to match the lines of the unidentified element to the lines above it and see what element these lines belong to.

Answer: 1

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