Mnemonic Device
- How He Lies Because Boys Can Not Open Flowers
- Harry He Likes Beer But CanNot Obtain Food
- Hello! Here lies Berylie Bill, caught napping on Friday night.
Explanation
to remember the first nine elements of the Periodic Table
- Hydrogen 1, Helium 2, Lithium 3, Beryllium 4, Boron 5, Carbon 6, Nitrogen 7, Oxygen 8, Fluorine 9
Let op: "Hello! Here lies Berylie Bill..." gaat 1 element verder (t/m Neon, element 10) dan de andere twee (t/m Fluorine, element 9).