A ballon is filled with 35.0 f of helum in the moring when the twmoerature is 68 f. by noon the temperature has risen to 13 f . what is the new volume of the baloon

im not exactly sure but i think its b!

it is stable as it is in group 0 which have full outer shells of electrons

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.