The spectrum for visible wavelengths emitted by Star X is compared to the emission spectra of four different elements. According to the spectral analysis data, which element is present in Star X?
Spectrum of Star
Spectrum of Star X
ULIT
Spectrum of Hydrogen
Spectrum of Carbon
Spectrum of Star X
Spectrum of Star X
Spectrum of Neon
Spectrum of Magnesium

The two naturally occurring isotopes of chlorine are 35cl (34.969 amu, 75.77%) and 37cl (36.966 amu, 24.23%). the two naturally occurring isotopes of bromine are 79br (78.918 rm amu, 50.69%) and 81br (80.916 amu, 49.31%). chlorine and bromine combine to form bromine monochloride, brcl. 1. how many peaks will be present in a mass spectrum for brcl? the four combinations of molecule possible given these four isotopes are: 81br37cl, 81br35cl, 79br37cl, and 79br35cl. 2. what are the masses of the four different brcl molecules? express the masses using six significant figures, in decreasing numeric order (highest to lowest), separated by commas.

What is the chemical formula for the compound formed between sodium and flour one

If a solution contains 3 moles/liter of sodium chloride (nacl, made of sodium ions and chloride ions), what is the osmolarity of this solution