What are the elements' names and how many atoms are in 2H2SO4?

H2SO4 is Sulfuric Acid. If it has the number 2 in front of the whole compound it means there are two molecules in the reaction. The number of atoms in 1 molecule is (2 x hydrogen, 1 x sulfur, 4 x oxygen), therefore in two molecules there are 4, 2 and 8 respectively which gives a total of 14 atoms.