Alkaline Earth Metals Family Members: Beryllium, Magnesium, Calcium, Strontium, Barium, and Radium Location: 2nd Column on Periodic Table Creators of Album: Diante, Sarah, Jequan, and Billy

Beryllium Meet the Parent: Nicolas-Louis Vauquelin Birth Place: France in 1798

Physical and Chemical Features 1. Gender: Metal 2. 4 Protons, 4 Electrons, 5 Neutrons 3. Density: 1.85 4. Boiling Point: 2471 5. Melting Point: 1287 6. Specific Heat: 1.82 7. Electric Conductivity: 250 CHEMICAL 2 valence electrons Oxidation number +2 Ion Be+2 High Reactivity Compounds: Beryllium Hydroxide – Be(OH)2. Beryllium Sulfate (BeSO4). Beryllium Carbonate (BeCO3)

Attributes POSITIVE ATTRIBUTES Beryllium Copper NEGATIVE ATTRIBUTES Lung Cancer

Magnesium Meet the Parent: Joseph Black Birth Place: England in 1755

Physical and Chemical Features 1. Gender: Metal 2. 12 Protons, 12 Electrons, 12 Neutrons 3. Density: 1.738 4. Boiling Point: 1107.0 5. Melting Point: 650.0 6. Specific Heat: 1.023 7. Electric Conductivity: 0.298 CHEMICAL 2 valence electrons Oxidation number: +2 Ion Mg+2 High Reactivity Compounds: Magnesium Hydroxide – Mg(OH)2. Magnesium Chloride (MgCI2). Magnesium peroxide (MgO2)

Attributes POSITIVE ATTRIBUTES Airplanes Missiles Bombs Photography NEGATIVE ATTRIBUTES Dangerous if it is mixed with other substances Can cause explosions, small injuries, nothing major

Calcium Meet the Parent: Sir Humphry Davy Birth Place: England in 1808

Physical and Chemical Features 1. Gender: Metal 2. 20 Protons, 20 Electrons, 20 Neutrons 3. Density: 1.54 4. Boiling Point: 1484 5. Melting Point: 842 6. Specific Heat: 0.632 7. Electric Conductivity: 0.298 CHEMICAL 2 valence electrons Oxidation number: +2 Ion Ca+2 Reactivity: High Reactivity Compounds: Calcium Carbonate (CaCO3), Calcium Sulphate (CaSO4), Calcium Oxide (CaO)

Attributes POSITIVE ATTRIBUTES Calcium Carbonate is used to make white paint Cleaning powder, toothpaste, and stomach antacids NEGATIVE ATTRIBUTES Can cause insomnia, anxiety, nervousness, depression, muscle spasms, and high stomach acids.

Strontium Meet the Parents: Adair Crawford Birth Place: 1790, Scotland

Physical and Chemical Features Gender: Metal 38 Protons, 38 Electrons, 50 Neutrons 3. Density: 2.54 4. Boiling Point: 1384 5. Melting Point: 769 6. Specific Heat: 0.301 7. Conductor CHEMICAL 2 valence electrons Ion Sr+2 Highly Reactive Compounds: Strontium Chloride (SrCI2), Strontium Carbonate (SrCO3), and Strontium Nitrate (Sr(NO3)2)

Attributes POSITIVE ATTRIBUTES Used to make fireworks and flares By giving them their red bright light Can be seen miles away in any direction NEGATIVE ATTRIBUTES Harmful to humans even in small quantities Toxic and can cause lung cancer

Barium Meet the Parents: Sir Humphry Davy Birth Place: London England in 1808

Physical and Chemical Features 1.Gender: Metal 2. 56 Protons, 56 Electrons, 81 Neutrons 3. Density: 3.59 4. Boiling Point: 1897 5. Melting Point: 727 6. Specific Heat: 0.204 7. Electric Conductivity: .03 CHEMICAL 2 Valence Electrons Ba+2 Highly Reactive Compounds: BaCI, BaO2, BaTiO3

Attributes POSITIVE ATTRIBUTES NEGATIVE ATTRIBUTES Barium is used as a getter, a material that combines with and removes trace gases from vacuum tubes Barium Ferrite is made into magnets NEGATIVE ATTRIBUTES Barium is never found free in nature since it reacts with oxygen in the air, forming barium oxide (BaO), and with water, forming barium hydroxide (Ba(OH)2) and hydrogen gas (H2).

Radium Meet the Parents: Marie Sklodowska Curie and Pierre Curie Birth Place: Paris, France in 1898

Physical and Chemical Features 1. Gender: Metal 2. 88 Protons, 88 Electrons, 138 Neutrons 3. Density: 5.5 4. Boiling Point: 1536 5. Melting Point: 700 6. Specific Heat: .12 7. Conductor CHEMICAL 2 Valence Electrons Oxidation Number: +2 Ion Ra+2 Highly Reactive Compounds: Radium Oxide (RaO), Radium Bromide (RaBr2), Radium Chloride (RaCI2)

Attributes POSITIVE ATTRIBUTES About one million times more active than uranium NEGATIVE ATTRIBUTES No affects on humans in small doses Higher levels of radium can cause teeth fractures, anaemia, cataract, and even cancer

Web Sources http://education.jlab.org/itselemental/ele004.html http://www.facts-about.org.uk/science-element-beryllium.htm http://library.thinkquest.org/10676/Period/b0004.gif http://en.academic.ru/pictures/enwiki/76/Louis_Nicolas_Vauquelin.jpg http://openbytes.files.wordpress.com/2009/03/france_eiffeltower_2001_07_122.jpg http://www.nsrw.com/images/copper.jpg http://www.taconichills.k12.ny.us/webquests/noncomdisease/lungcancerpic.jpg http://www.facts-about.org.uk/science-element-magnesium.htm http://media-2.web.britannica.com/eb-media/35/30435-004-B98E22B2.jpg http://www.chemnetbase.com/periodic_table/elements/magnesium.htm http://environmentalchemistry.com/yogi/periodic/electrical.html http://www.infoplease.com/ce6/sci/A0859422.html http://www.skomer.u-net.com/projects/images/redduster.jpg http://www.lenntech.com/periodic/elements/mg.htm

Sources Continued http://environmentalchemistry.com/yogi/periodic/Ra.html http://chemistry.about.com/od/elementfacts/a/radium.htm http://chemistry.about.com/od/elementfacts/a/strontium.htm http://education.jlab.org/itselemental/ele038.html http://www.lenntech.com/periodic/elements/sr.htm http://www.jergym.hiedu.cz/~canovm/objevite/objev/dav_soubory/davy.jpg http://www.webelements.com/radium/compounds.html