How did the spectral lines for compounds compare to the spectral lines for elements?

The answer is a. stable, hope i ya

Answer: =6.19lexplanation: by ideal gas equation we know,hope this : )

A- electron repulsion favors a tetrahedral shape, so the orbitals are 109.5° apart from each other. of a hydrogen atom on methane. they may also contain lone pairs—this explains the geometry of water, which is sp3 hybridized due to the lone pair, which occupies one of the four hybrid orbitals.