Atoms in a Thin, Hot Gas (Such as a Neon

Multiple Choice

Atoms in a thin, hot gas (such as a neon advertising sign) , according to Kirchhoff's laws, emit light at

A) specific wavelengths or colors in a pattern that depends on the element.
B) only visible wavelengths.
C) all wavelengths, the shape of the continuum spectrum depending on the temperature of the gas.
D) only one specific wavelength or color.