Which headings should be used to complete this table? A 2-column table with 2 rows. Columns are labeled with question marks. Column 1: R single bonded to X; C equals F, upper C l, upper B r, or I; organic solvent. Column 2: R single bonded to N H 2; weak base, biochemical processes, foul-smelling. ether (left column); ester (right column) ketone (left column); aldehyde (right column) alkyl halide (left column); amine (right column) alcohol (left column); carboxylic acid (right column)

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Explanation:

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radioactive decay occurs in unstable atomic nuclei – that is, ones that don't have enough binding energy to hold

the nucleus together due to an excess of either protons or neutrons.

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.