This is because they are all made up of different types of molecules. Molecules are not only made up of different types of atoms but also different ratios. Like in the water example above, a water molecule has 2 hydrogen atoms and 1 oxygen atom.This is written as H 2 O.olecules are not only made up of different types of atoms but also different ratios. Like in the water example above, a water molecule has 2 hydrogen atoms and 1 oxygen atom.
Albert Einstein (/ËaÉªnstaÉªn/; German: [ËalbÉÉÌ¯t ËaÉªnÊtaÉªn]; 14 March 1879 â 18 April 1955) was a German-born theoretical physicist. He developed the theory of relativity, one of the two pillars of modern physics (alongside quantum mechanics). Einstein's work is also known for its influence on the philosophy of science.
Profile: Albert Einstein. When young Albert's father showed him a compass, he tried to imagine the mysterious force behind the needle, awakening his passion for physics. Albert Einstein Archive Â© The Hebrew University of Jerusalem. Albert Einstein was the most famous scientist of the 20th century. His scientific breakthroughs were so breathtaking that his gentle, bemused expression and riot of white hair have come to symbolize genius in the popular imagination.