When the electrons of a chemical element change energy states, they release certain wavelengths of light that are unique to that element. This means that the emission of light with a wavelength of 430.5 nanometers (nm), which falls in the 380-450 nm range defining the violet portion of the visible spectrum, the element titanium as the source of the light.
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Verbal·Standard English Conventions·Form, Structure, and Sense
mediumWhich choice completes the text so that it conforms to the conventions of Standard English?
A
having identified
B
identifying
C
to identify
D
identifies