The number of protons in the nucleus of an atom determines the type of element. Look at the diagram and count the number of protons.
Then look below and decide which element it is based on the number of protons you counted from above. The number of protons is called the atomic number and is at the top of an element box.
The number of protons in the nucleus of an atom determines the type of element. Look at the diagram and count the number of protons.
Then look below and decide which element it is based on the number of protons you counted from above. The number of protons is called the atomic number and is at the top of an element box.