While specific positions will have unique requirements (example: Flight Attendant minimum age requirement is 21 years of age; see individual job descriptions), you must possess at least a H.S. diploma/GED equivalent, be at least 18 years of age, and possess current authorization to work in the U.S. to work at Delta.
Potassium (IPA: /pÉ(Ê)ËtasiÉm/) is a chemical element. It has the symbol K (Arabic: al qaljaâ â Latin: kalium) and atomic number 19 and an atomic mass of 39.098. Calcium (IPA: /ËkalsiÉm/) is the chemical element in the periodic table that has the symbol Ca and atomic number 20.
Element Groups: Alkali Metals Alkaline Earth Metals Transition Metals Other Metals Metalloids Non-Metals Halogens Noble Gases Rare Earth Elements Basic Information | Atomic Structure | Isotopes | Related Links | Citing This Page. Basic Information Name: Calcium Symbol: Ca Atomic Number: 20 Atomic Mass: 40.078 amu Melting Point: 839.0 Â°C (1112.15 K, 1542.2 Â°F)