| A | B |
|---|
| Discovered by Sir Humphrey Davy in 1807. Element Number 11. Has uses in medicine and agriculture. | Sodium (Na) |
| Discovered by Marguerite Derey in 1939. It is obtained from the decy of actinium. Number 87 on the Periodic Table. | Francium (Fr) |
| Discovered by Johann Arfvedson in 1817. Used in batteries, ceramics, and lubricants. Number 3 on the periodic table. | Lithium (Li) |
| Discovered by Sir Humphrey Davy in 1807. Used in glass and soap. Number 19 on the Periodic Table | Potassium (K) |
| Discovered by Fustov Krichoff in 1860. It is obtained frlom pllucite and lepidolite. Used to remove air traces from vacuum tubes. Element number 55 | Cesium (Cs) |
| Discovered by Fredrich Wohler from the mineral beryl. Used in the aerospace industry. Element 4 on the Periodic Table | Beryllium (Be) |
| Discovered by Sir Humphrey Davy in 1808 used in medical applications, element number 56. | Barium (Ba) |
| Discovered by Pierre and Marie Curie in 1898 derived from uranium ore. Element number 88. | Radium (Ra) |
| Discoverd by Humphrey Davy in 1808, obtained from chalk, limestone and marble. Element number 20. | Calcium (Ca) |
| Discovered by Humphrey Davy in 1808. Derived from sea water. Element number 12 | Magnesium (Mg) |
| Discovered by A. Crawford in 1790. Used in flares and fireworks. Named for a Scottish town. Element number 38. | Strontium (Sr) |
| Named after the planet Uranus. Used as fuel in nuclear reactors, discovered by Marin Klaproth | Uranium (U) |
| This element is obtained from cinnabar ore and is the only liquid metal. Element number 80. | Mercury (Hg) |
| Comes from the German word for tin, used as a metal coating and for rust protection. Discovered by Andreas Marggraf in 1746. Element number 30. | Zinc (Zn) |
| This is a by-product of zinc refining and is used by nickel-cadmium batteries. Element number 48 | Cadmium (Cd) |
| Element discovered by Humphrey Davy and J.L. Gay-Lussac. Used as a heat resistant ally. Element number 5. | Boron (B) |
| From the Latin world silex (flint). Used in glass and semiconductors. Is the second most abundant element. | Silicon (Si) |
| Derived from pitchblende and the decay of radium. Discoved by the Curies in 1898. Named after Poland | Polonium (Po) |
| Used in refrigerants. Discoved by Joseph Moissan. Derived from the Latin word fluo | Fluorine (F) |
| Discovered by Carl Scheele in 1774. Used in water purification and bleaches. Element number 17. | Chlorine (CI) |
| From the Greek word meaning inactive. Discovered by Sir William Ramsey in 1894. Used in lighting and derived from air. | Argon (Ar) |
| Deerived from the Greek world for hidden. Used in lighting and derived from liquid air. | Krypton (Kr) |
| Discoved by Fredrich Ernst Dorn in 1898. Derived from the decay of radium. Element 86 | Radon (Rn) |
| From the Greek word for stranger. Used in powerful lamps and bubble chambers. Element number 54. | Xenon (Xe) |
| Used in steel and filters. Element number 6. | Carbon (C) |
| Discovered by Daniel Rutherford in 1772. It forms most of the atmosphere. | Nitrogen (N) |
| Discovered by Hennig Brand in 1669. Used in fertilizers and detergents. Element number 15. | Phosphorus (P) |
| From the Latin word ferrumm used in steel production. Element number 26. | Iron (Fe) |
| Discovered by Hans Oersted in 1825. Obtained from bauxite. Element number 13. | Aluminum (Al) |
| From the Latin Word for brimstone. Used in gunpowder and medicines. Element number 16. | Sulfur (S) |
