chemistry
when two or more elements chemically combine is called compounds
Meteorology
The elements and compounds to the right of the equations are called products.
Mixture.
Noble gases
ReactivityThe ease and speed with which an element combines with other elements and compounds is called the "reactivity" of the element.
Atoms of different elements can " stick together " ( making compounds ) via elements sharing or trading arrangements called
oxides
It is a science dealing with soils called Pedology . soil science is the study of soil as a natural resource on the surface of the earth .
This is the branch of science called chemistry. Generally the chemistry of carbon compounds is the concern of organic chemistry.
This would be called an element, or a mono-atomic compound.
ReactivityThe ease and speed with which an element combines with other elements and compounds is called the "reactivity" of the element.