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 ( )
Birthplace: Paris France
Date: 1798
Gender: Metal

7. 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 A.D.

13. It’s an….
METAL

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

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

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

17. Calcium

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

19. Physical Description 1 -
Gender –
Metal
Physical Description 1 -
Number of protons & electrons = 20
Number of neutrons - 20
Physical Description 2 –
MP: 1115 K,
BP: 1771 K
293 K: 1.55 g/cm3
Specific Heat: 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. Physical Description 1 –
Gender –
Metal
Physical Description 1 –
Number of protons & electrons – 38
Number of neutrons - 50
Physical Description 2 –
BP: 1653 K,
MP: 1050 K
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 –
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.

28. Parent
Sir Humphrey Davy

29. Birthplace and Date of Birth
1808 in England

30. Gender
Metal

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

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

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

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

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

36. Radium
Shanquel

37. Parent
Radium was discovered by Marie Curie

38. Birth place and date
Radium was discovered in 1898 in a pitchblende of Uranium
It was found in North Bohemia

39. Gender
Radium is a Metal

40. Physical Properties Density:5 g/cm3 Atomic Volume:45.2 cm3/mol
Specific Heat:0.12 J/g°C = cal/g°C
Atomic Volume:45.2 cm3/mol
Melting Point:700 °C = K = 1292 °F 
Boiling Point: 1413 K (1140°C or 2084°F)
Phase at Room Temperature: Solid

41. Attributes
Radium had been used to make self-luminous paints for watches, aircraft instrument dials and other instrumentation,
Radium is used to produce radon, a radioactive gas used to treat some types of cancer. A single gram of radium-226 will produce 0.000l milliliters of radon a day.
Negatives it is radioactive and can harm

42. Sources www.bing.com www.radiology.com www.chemcool.com