Chemistry is a branch of physical science that studies the composition, structure, properties and change of substance. Chemistry is chiefly (principalmente) concerned with atoms and molecules and their interactions and transformations.
-The atom is the basic unit of chemistry. It consists of a dense core called the atomic nucleus surrounded by a space called the electron cloud.
-A molecule is the smallest indivisible portion of a pure chemical substance that has its unique set of chemical properties
Chemistry has a reputation for being a complicated, boring science, but for me, that reputation is undeserved (inmerecida). If you take classes in chemistry, you'll apply maths and logic, which can make studying chemistry a challenge if you are weak in those areas. However, anyone can understand the basics of how things work... and that's the study of chemistry. In a nutshell (cascara de nuez), the importance of chemistry is that it explains the world around you.
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