For radicals, 1.Is the charge on radicals its valency or oxidation number? and why? 2.How are the charges on radicals gotten?. For example, so4^2- has a charge of -2, how was the -2 gotten? Pls give me a detailed explanation If understood, I would mark the Brainliest answer

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c is having 4 valence electrons and is bonded to three hydrogens and one sulphur atom, therefore, the number of bond pair is equal to four. as all the valence electrons are used in forming the bonds so, there is no lone pair left on carbon.

s is having 6 valence electrons and is bonded to one other sulfur atom and one carbon atom, therefore, the number of bond pair is equal to 2. as only two valence electrons are used in forming the bonds so, four electrons are left. therefore, two lone pairs are present on s.