The element sulfur (s) is most likely to form covalent bonds with the element
a) helium
b) magnesium
c) zinc
d) oxygen

absorption lines are where light has been absorbed by the atom thus you see a dip in the spectrum whereas.

emission spectra have spikes in the spectra due to atoms releasing photons at those wavelengths.

explanation:

beta is electron from nucleus

something from nucleus has changed, but charge must be same for cons of charge