The way they are shown.
A chemical change can help you tell the difference between an element and a compound because an element is a pure substance that cannot be broken down or separated into other pure substances through chemical change while a substance that is made from two or more elements that have combined in a chemical change are known as compounds.
A chemical symbol is just an abbreviation of that chemical's name while a formula will tell you how many of each different element are in a specific chemical compound.
Uranium is not a compound. It is an element.
Element: a substance made up of one kind of atom.Compound: a substance formed when two or more elements are chemically joined together.Mixture: made up of two or more substances which are not chemically bonded together.
The formula of a substance(element or compound) tells us the number of molecules in the in the substance(element or compound).
A compound is a simple substance, a mixture is formed from two or more compounds.A mixture can be separated by physical procedures, a compound not.
scientists Can tell the difference between two isotopes of the same element because, isotopes of the same elements always have the same number of protons.
Brass is a mixture of copper and zinc, while nickel is an element.
By Crystalization
Leaf is part of a plant. Leaflet is part of a compound leaf.
The number of atoms in each element .