For example, water is a compound of hydrogen and oxygen ... Transition metals are found between groups 2 and 3. Remember that you will only find elements in the periodic table and never compounds.

Examples of compound measures and their units include pressure (\(N/ m^2\)), density (\(g/ cm^3\)), speed (km/h) and heart rate (beats per minute). Units for measuring such as metres, kilograms ...

Many modern materials are at least partially composed of organic compounds. They’re central to economic growth, and are foundational to the fields of biochemistry, biotechnology, and medicine.