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Smallest one at 31 pm Warning - it's not the lightest by atomic number
38 pm There are signs that this isn't the lightest element here
42 pm Melts at -219 Centigrade
53 pm Okay this one's the light one
Number 5 at 67 pm Lonsdaleite is a form of this element
71 pm A forest in France, except it isn't n'est pas?
79 pm Humphrey Davy confirmed this as an element
88 pm The Devil is in the detail
111 pm Appropriate for a memory test
Great at No 10 - it's 118 pm Extracted by the Hall-Heroult process
120 pm Causes lung cancer
125 pm Done for doping
154 pm World supply could run out in less than 40 years
156 pm An element for the ages
Got to the 15th one - it's 167 pm Named after a stone
174 pm Glow of the sunrise
177 pm This one's a little silver
205 pm Has no stable isotopes
243 pm Kalium
The biggest one at 298 pm It's the one left