Elements and compounds are pure substances because they both have fixed compositions or uniformed compositions.
Elements are composed of only one kind of atom and compounds are composed of atoms of different elements chemically bonded to one another in fixed proportions.
Because a pure element or a pure compound haven't contaminants.
Elements
Elements and compounds (pure substances) cannot be broken down by physical changes.
Compounds are comprised of different elements, for example water, H2O is a compound formed by the elements Hydrogen and Oxygen.
HCl is a pure substance because it is a compound. Pure substances consist of elements and compounds.
Hydrogen and chlorine are chemical elements, not compounds
Pure substances are divided into elements and compounds.
Elements
Elements and compounds are pure substances. They also can be molecules.
The two types of pure substance are elements and compounds The two types of pure substance are elements and compounds
elements and compounds
The two types of pure substance are elements and compounds The two types of pure substance are elements and compounds
Pure substance can be identified as either elements or compounds. Some examples of pure substance that are elements are sulfur and tin. Pure substances that are compounds are sugar and salt.
elements and compounds (:
elements and compounds
The two types of matter that are pure substances are elements and compounds.
No. Pure substances include elements and compounds.
Yes. Both compounds and elements are pure substances.