Hydrogen
1
H
1.01
Hydrogen (H)
is the lightest element. It only has one proton in the centre and one electron moving around the proton.
Silver
47
Ag
107.87
Silver (Ag)
is a beautiful, shiny element. It has been used to make jewellery and coins since ancient times. Silver is also used in nanotechnology. Remember, nanotechnology is the science of very small