/
8
Please wait - loading…
What is an atom?
define an element
If there are only around 100 types of atoms around the World, around how many types of elements are there in the world?
Each element has a symbol. For example, the symbol for hydrogen is ....
What are the columns of the periodic table called?
On which side of the Periodic Table can you find the metals?
What is a compound?
An atom has a tiny _____ at its centre, surrounded by _______.
