Elements:
- They are represented by symbols.
- They are made of one type of atom.
- They cannot be broken down.
Compounds:
- They are represented by formulas.
- They can be chemically broken down.
- They are made of two or more types of atoms.
A chemical element can be defined as a pure substance that is represented by a symbol and it comprises one type of atom that has the same atomic number (number of protons) in its nuclei.
Basically, a chemical element is a pure substance that can't be broken down, decomposed or transformed into simpler substances by chemical or physical means.
In Chemistry, some examples of a chemical element include the following:
A chemical compound can be defined as a substance that is represented by a formula and it contains two or more types of atoms, which can be chemically broken down.
Some examples of a chemical compound are:
- Carbon dioxide ([tex]C0_2[/tex]).
- Hydrogen sulfide ([tex]H_2S[/tex]).
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