|
Elements |
Compounds |
|
Made up of only 1 type of atoms |
Made up of more than 1 type of atoms combined in a fixed ratio |
|
Cannot be split into 2 or more simpler substances by physical or chemical reactions |
Can be split into simpler substances (constituent atoms) by chemical reactions. |
|
There are 118 elements known to us |
There is no limit to number of compounds that can be formed |
|
Represented by Symbol |
Represented by Chemical Formula |
|
Example : Copper (Cu ), Iron (Fe) |
Example : Common Salt (NaCl), Sulphuric acid (H 2 SO 4 ) |
