Acids and bases are two types of corrosive substances. Any substance with a pH value between 0 up to 7 is considered acidic, whereas a pH value of 7 to 14 is a base. Acids are ionic compounds that break apart...

Atoms are the basic units that all matter is made of. Atoms of different elements come together to make molecules. This happens via a chemical reaction. A molecule is the smallest amount of a chemical...

An element is a pure chemical substance that has one or one type of atom, distinguished by its atomic number. There are a total of 118 elements that have been identified, divided between metal, metalloids and...

Breathing is the process of inhaling oxygen from the air and exhaling carbon dioxide into the air. Respiration refers to cellular respiration where oxygen is reacted with glucose to produce carbon dioxide,...

Atoms are the basic units that all matter is made of. Atoms are tiny, ranging from 0.1 to 0.5 nanometers in width. Each atom of any element is made up of protons, neutrons and electrons. Atoms of different...