|A) it contains two different elements joined by chemical bond||B) it contains hydrogen & oxygen|
|C) it exists as solid, liquid or gas||D) it cannot be split up into simpler substances by chemicals means|
We know that All compounds are molecules, but not all molecules are compounds.
Water is a molecule because it is made from atoms that have been chemically combined. It is also a compound because the atoms that make water are not all the same - some are oxygen and some are hydrogen.
Hence, Water is a molecule and a compound.