Is water wet ? can you water proff water

In the reaction between a crushed antacid tablet and vinegar what gas is emitted

Draw two cyclic constitutional isomers of cis-1

With the largest atoms and the smallest number of valence electrons and with the smallest atoms and the greatest number of valence electrons are the most reactive. a. nonmetals; metals b. nonmetals; transition elements c. transition elements; metals d. metals; nonmetals