NAMES AND SYMBOLS OF THE ELEMENTS
The following is a list of the first 20 elements and their chemical
symbols. Some of the more common elements and their chemical symbols are
also included. Note the following:
The first letter in the symbol of any chemical element is always a capital
letter.
The second letter in the symbol of any chemical element (if one exists)
is always a small letter.
Many chemical symbols represent the English name of the element.
Each element is identified by a number called its ATOMIC NUMBER.
FIRST 20 ELEMENTS
| ATOMIC | ELEMENT'S | ATOMIC | ELEMENT'S | ||
| NUMBER | NAME | SYMBOL | NUMBER | NAME | SYMBOL |
| 1. | hydrogen | H | 11. | sodium | Na |
| 2. | helium | He | 12. | magnesium | Mg |
| 3. | lithium | Li | 13. | aluminum | Al |
| 4. | beryllium | Be | 14. | silicon | Si |
| 5. | boron | B | 15. | phosphorus | P |
| 6. | carbon | C | 16. | sulfur | S |
| 7. | nitrogen | N | 17. | chlorine | Cl |
| 8. | oxygen | O | 18. | argon | Ar |
| 9. | fluorine | F | 19. | potassium | K |
| 10. | neon | Ne | 20. | calcium | Ca |
OTHER COMMON ELEMENTS
| ATOMIC
NUMBER |
ELEMENT'S
NAME |
SYMBOL | ATOMIC
NUMBER |
ELEMENT'S
NAME |
SYMBOL |
| 24. | chromium | Cr | 26. | iron | Fe |
| 27. | cobalt | Co | 28. | nickel | Ni |
| 29. | copper | Cu | 30. | zinc | Zn |
| 33. | arsenic | As | 35. | bromine | Br |
| 47. | silver | Ag | 50. | tin | Sn |
| 53. | iodine | I | 74. | tungsten | W |
| 78. | platinum | Pt | 79. | gold | Au |
| 80. | mercury | Hg | 82. | lead | Pb |
| 92. | uranium | U | 94. | plutonium | Pu |
CHEMICAL NOMENCLATURE
NAMES AND SYMBOLS OF THE ELEMENTS
| GIVE THE SYMBOLS FOR: | GIVE THE NAMES FOR: |
| platinum | Si |
| hydrogen | Ag |
| calcium | Au |
| copper | S |
| lithium | Cl |
| silicon | H |
| aluminum | He |
| potassium | O |
| neon | Kr |
| krypton | P |
| carbon | Al |
| barium | Li |
| sodium | Be |
| boron | K |
| uranium | Ca |
| phosphorus | B |
| sulfur | Mg |
| chlorine | Fe |
| iodine | Kr |
| fluorine | C |
| oxygen | Na |
| nitrogen | Co |
| bromine | Pt |
| zinc | I |
| nickel | As |
| iron | Zn |
| chromium | Br |
| silver | Cr |
| magnesium | Ar |
| beryllium | Fe |
| helium | Pb |
| neon | Hg |
| lead | Pt |
| mercury | S |
| cobalt | W |
| tungsten | Pt |