The noble gases are the least
of any elements on the periodic table.

the
form acidic compounds with hydrogen.

the halogens are the most reactive among all the
.

my dad did alot of meth and ace cheeks

a. energy is absorbed in the reaction.

if in a given reaction the energy of products is greater than the energy of reactants it means that reaction is endothermic and during the reaction, the energy is absorbed by reactants. in an endothermic reaction, the products have more stored chemical energy than the reactants. and in this reaction the reactants are more stable than products before the compounds with less energy are always more stable.

c. orbital shape i hope this is correct