Elements and Compounds: Understanding elements and compounds is basic knowledge to study chemistry. Elements are the basic building blocks of matter, while compounds are substances formed when two or ...

Chemical reactions occur when elements or compounds combine and create new compounds. Elements are substances that contain only one type of atom and are represented by unique symbols on the periodic ...

Molecular and Atomic Mass of Elements: There are various concepts in chemistry that require a basic understanding to see the bigger picture. One such knowledge is knowing the key terminologies and ...