4
QuizMultiple Select
Unit Test — Unit test
Question 4 • 26-27 LISD TX-Physics B-CR (rev. 5/25)
The emission spectrums are known for the elements below.What elements are in the unknown sample? Select 2 options. boronlithiumhydrogenheliumpotassium
Answer
A
boronB
lithiumC
hydrogenD
heliumE
potassium