Which element has the lowest atomic mass in group 6A

Asa choose the correct set of reaction coefficients to properly balance the following chemical equation according to the law of conservation of mass: __s8 + __o2 ==> __so2 1, 1, 8 1, 8, 1 1, 8, 8 8, 1, 1

If 90.0 grams of ethane reacted with excess chlorine, how many grams of dicarbon hexachloride would form

The missing component to the table to the right or indicated with orange letters complete the table by filling in the corresponding numbers or symbols