Alkali+Metals+by+Joey,+Brennan,+and+Bryton

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Our family is on the far left of the Periodic Table in Group 1. It is called the Alkali Metals. They are in Group 1 because they have one electron to give up giving it a +1. They have one valence electoron in their Lewis Dot Structure. This quality of one valence electron means that none of the Alkali Metals are found alone or unbonded in nature. Also having an extra electron makes the Alkali Metals highly reactive.

​ Interesting Facts


 * They are in Group 1
 * Alkali Metals are all solids in their natural state.
 * They have one valence electron which makes them highly reactive because they want to give up that extra electron.
 * The Alkali Metals are especially violent in a reaction with water (H 2 O).
 * When they combine with an element from Group 7, the product is called a salt. (Example: Table salt is NaCl)
 * They are good conductors of heat and electricity.
 * They are generally very soft metals.
 * They have relatively low melting points.
 * They are some of the least dense metals. (Example: Lithium is the lightest and least dense metal.)
 * They are malleable and ductile.
 * Don't occur unbonded in nature.

__**Francium**__ Francium was discovered by Marguerite Derey in 1939. Francium is named after France. The atomic number of francium is 87. Its atomic mass is 223 amu. The melting point is 27° Celsius. The boiling point is 677° Celsius. The valence number of francium is +1. Francium is formed from the decay of actinium. There are no known uses of francium. __**Interesting Facts of Francium**__ · Metallic in color · Fr-212 has a 20min. half life · Fr-221 has a 4.8min. half life · Fr-222 has a 14.3min. half life · Fr-223 has a 21.8min. half life · Francium is the heaviest member of the alkali metals

Bryton

Hey this is Joey Husk AKA McLovin. My metal is potassium. I did this metal because it is the easiest one. The element name was given from the Latin word cilium. It was discovered by Sir Humphrey David in 1807. Its atomic number is 19 and the atomic mass is 39. The melting point is 63 Celsius and the boiling point is 759 Celsius. The valence number is plus 1. It is located in the earth’s crust. It is used in glass, soap, and fertilizers. Some interesting facts are it blows up with water, it is in bananas, it is found in ancient lakes and seas, it is the 7th most abundant element in the world. Makes up 2.4% of the earth’s crust, and it is also used in gun powder. Joey

Lithium Lithium is in the Alkali Metals group. The word lithium comes from the Greek word “Lithos” which means stone. It was discovered by 1817 by Johann Arfuedson. Symbol: Li Atomic Number: 3 Atomic Mass: 6.941 Melting Point: 180.54° C Boiling Point: 1347.0° C Valence Number: 1 Interesting Facts: Lithium does not occur naturally in nature. It is used in batteries, ceramics, and lubricants. It is corrosive against skin. Lithium is the lightest or least dense metal. When burned, it burns with a crimson flame. Lithium makes up only .0007% of the earth’s crust. Brennan


 * __Sources​__**

Winter, Mark. "WebElements ". University of Sheffield. April 9, 10 . Bentor, Yinon. "Periodic Table: Francium". April 9, 10 []. "Facts about Potassium." //Facts about Potassium - Element included on the// //Periodic Table//. N.p., n.d. Web. 7 Apr. 2010.

. //Physical Science//. NY,Chicago,Woodland Hills: Glencoe Mcgraw-Hill, 202. Print. "Potassium Rich Foods - List of Foods High in Potassium." //Buzzle.com//. Buzzle.com, 26 May 2009. Web. 7 Apr. 2010. . “Alkali Metals.” __Chem4kids.com__. N.p., n.d. Web. 8 Apr. 2010. []. “Chemical Elements: Lithium .” __Chemicalelements.com__. N.p., n.d. Web. 8 Apr. 2010. []. “Lithium.” __Chemicool__. N.p., n.d. Web. 8 Apr. 2010. .