In the sandwiches mode, select the "cheese sandwich" option and observe the equation given for the preparation of a cheese sandwich. when the number of bread slices and cheese slices is set to "0," you will see that there is "no reaction." now, in the equation, set the number of bread slices to "2" and the number of cheese slices to "1." you will see that the product formed by these three elements is one cheese sandwich with two slices of bread and one slice of cheese. this equation can be written as

i'm wiling to try and you : )

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.

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