Draw lewis structures for each of the following moecules. show resonance structures, if they exist
a) o2
b) n2
c)co
d)so2
draw lewis structures for each of the fllowing polyatomic ions. show resonanace structures, if they exist.
a)oh-
b)h3c2o2-
c)bro3-
determine the type of hybrid orbitals form by the boron atom in a molecule of boron fluoride, bf3.

Which substance absorbs 58.16 kj of energy when 3.11 mol vaporizes? a)ch4 b)h2s c)co2 d)nacl

Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. a solution containing 3.50 g of sodium carbonate is mixed with one containing 5.00 g of silver nitrate. how many grams of sodium carbonate, silver nitrate, silver carbonate, and sodium nitrate are present after the reaction is complete?

The biosphere of the earth is made up of what compound? organic or inorganic?