Elements & Compounds
Chemistry: Edexcel IGCSE, topic 2.1.1
Elements and Atoms
There are 118 different types of elements that humans have discovered and each element has its own chemical symbol. Atoms are the smallest pieces of an element that can exist. Examples of elements include:
Oxygen (O)
Iron (Fe)
Cobalt (Co)
Test yourself on Elements & Compounds
Which of the following is an element?
How many elements have been discovered?
What is the smallest piece of an element that can exist?