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Alkali-Earth Metals Family Album

Alkali-Earth Metals Family Album. Created by: Hilton Chapman Nelson MacDonald (Uncle Peaches) Shanquel Spellman Taylor Martin. Alkali-Earth Metals. 1. Be- Beryllium 2. Mg- Magnesium 3. Ca- Calcium 4. Sr- Strontium 5. Ba- Barium 6. Ra- Radium. Location on Periodic Table.

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Alkali-Earth Metals Family Album

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  1. Alkali-Earth Metals Family Album Created by: • Hilton Chapman • Nelson MacDonald (Uncle Peaches) • Shanquel Spellman • Taylor Martin

  2. Alkali-Earth Metals • 1. Be- Beryllium • 2. Mg- Magnesium • 3. Ca- Calcium • 4. Sr- Strontium • 5. Ba- Barium • 6. Ra- Radium

  3. Location on Periodic Table Group 2; Periods 2-7

  4. Common Family Characteristics • Good Conductors • Shiny • High Melting Points • High Boiling Points • Tend to lose electrons

  5. Beryllium

  6. Background Info • Parent: French chemist Louis-Nicolas Vauquelin (1763-1829) • Birthplace: Paris France • Date: 1798 • Gender: Metal

  7. Physical Description • Physical Description- • Physical Description-

  8. Chemical Description • Valence eˉ- 2 • Oxidation #- 2 • Beryllium has a strong resistant layer of oxide on its surface which lowers its reactivity. • Aluminum-Silicon-Fluorine

  9. Positives uses • 1. aircraft, satellites and spacecraft- Light weight Material • 2. Nuclear reactors as a reflector and absorber of neutrons, a shield and a moderator

  10. Negative effects • 1. Beryllium and its salts are both toxic and carcinogenic. • 2.Chronic Problems

  11. Magnesium

  12. Background Info Parent- Bussy Birthplace-Thessaly, Greece Date- 1828 A.D.

  13. It’s an…. METAL

  14. Brief Description • Protons- 12eˉ-12 • Density-1.7g • Melting point-1202°F (650°C) • Boiling point- 1994°F (1090°C) • Specific Heat-1.023 J/g•K

  15. Chemical Properties • Valence #-2 • Ion- Mg +2 • Oxidation #= +2 • Compounds- • 1. MgH2 • 2. MgF2 • 3. Mg3N2

  16. 1. Vitamins Found in many foods which help the body out greatly. Low levels may cause- 1. cardiovascular disease 2. nervousness 3. fatigue Positives UsesNegatives Uses

  17. Calcium

  18. Parent - Sir Humphry Davy Birth Place & Date – 1808 in London

  19. Gender – • Metal • Physical Description 1 - • Number of protons & electrons = 20 • Number of neutrons - 20 • Physical Description 2 – • MP: 1115 K, • BP: 1771 K • Density @ 293 K: 1.55 g/cm3 • Specific Heat: 0.647 J/g•K

  20. Lewis Dot Diagram and Bohr Diagrams

  21. Chemical Description – • Calcium forms alloys with aluminum, beryllium, copper, lead, and magnesium. • Ion = +2 • Valence # = +2 • Oxidation # = +2 • High reactivity • Positive Attributes - • life forms for bones and shells • Calcium is used to remove oxygen, sulfur and carbon from alloys. • Negative Attributes – • Non toxic and an essential metal for living organisms.

  22. Strontium

  23. Parent - Sir Humphry Davy Birth Place & Date – 1808 by electrolysis

  24. Gender – • Metal • Physical Description 1 – • Number of protons & electrons – 38 • Number of neutrons - 50 • Physical Description 2 – • BP: 1653 K, • MP: 1050 K • Density @ 293 K: 2.6 g/cm3 • Specific heat: 0.30 J g-1 K-1

  25. Lewis Dot Diagram and Bohr Diagrams

  26. Chemical Description – • Ion = +2 • Valence # = +2 • Oxidation # = +2 • Positive Attributes – • Strontium is used for producing glass (cathode ray tubes) for color televisions. It is also used in producing ferrite ceramic magnets and in refining zinc. • Negative Attributes – • Strontium's non-radioactive isotopes are considered non-toxic.

  27. Parent Sir Humphrey Davy

  28. Birthplace and Date of Birth 1808 in England

  29. Gender Metal

  30. Physical Description #1 56 protons, 81 electrons, 56 neutrons. Lewis Dot Diagram Bohr Diagram

  31. Physical Description #2 • Boiling point-1870 °C (3398 °F ) • Melting point-727 °C (1341 °F ) • Atomic Weight- 137.327 • Is a solid at about 25°C

  32. Chemical Description • Has 2 Valence Electrons. • Oxidizes very easily and reacts with water and alcohol. • Ion- -2 • Oxidation Number- +2

  33. Positive Attributes • Barium is can be used in paints, fireworks, plastic fillers, and a component in oil well drilling fluids.

  34. Negative Attributes • Can be extremely poisonous if consumed. • In certain types of x-rays, it can be harmful to intestines.

  35. Sources • www.bing.com • www.radiology.com • www.chemcool.com • www.fordhamprep.com • http://www.luxme.com/productsample/Calcium_Carbonate.jpg • http://home.frognet.net/~ejcov/davyphoto.jpg • http://www.chemicalelements.com/elements/ca.html • http://www.chemicool.com/elements/calcium.html • http://www.chemicool.com/elements/strontium.html • http://www.angelo.edu/faculty/kboudrea/molecule_gallery/element078_platinum/flame_strontium_02_small.jpg

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