Yes.
An element cannot be separated into simpler substances by chemical means.
A Substance that can be separated into two or more substances is call a Composition, if not try Solution.----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- -----From Rafaelrz.Yes. A substance that can only be separated into two or more substances by a chemical change is a 'compound'. If a body can be separated into two or more different substances by only physical processes, then the body is a 'mixture'.
Generally chemical compound and substance are considered synonyms. But also a mixture is a substance.
studyisland answer : water
element
element
You think to an atom.
Yes, it is possible.
Chemical composition refers to the arrangement, type and ratio of atoms in molecules of substances. Chemical composition varies when chemicals are added or subtracted from a substance, when the ratio of substances changes, or when other chemical changes occur in chemicals.
The chemical properties of a substance can be determined by changing the chemicals structure. This is the process that occurs in a chemical reaction.
Yes , that is part of the definition of a compound.
no ---------- Elements are atoms, which can be separated into smaller particles such as protons, neutrons, electrons, and quarks, but usually not by chemical processes.