BLOG UPDATE 5 BRANDON REVELLI

Potassium does not occur naturally in nature because it reacts violently with water. However it is found in the earths crust and because of that it is the 7th most abundant element on earth. The only way you can obtain potassium is through electrolysis.

Published in: on September 30, 2009 at 4:28 pm  Leave a Comment  

Blog Update No. 5 (Topic)

Please update the blog by 10 pm Sunday 10/04/09. Below is the question:

Where does your element occur in the Earth? And how do you obtain a sample of your element?

Remember to post the links from which you obtain information.

Mr. Truong

Asteroid-impacting-the-earth

Published in: on September 30, 2009 at 3:01 pm  Comments (1)  

Blog Update No.4 (Ross Honig)

My element is Uranium. It is a solid. It is the heaviest and last naturally occuring element in the periodic table. Uranium is in the actinide family which is  elements with atomic numbe 90 thorugh 103. Uranim symbnlod is U and its atomic number is #92. It is a silvery shiny metal. Its melting point is 1,132.3°C (2,070.1°F) and its boiling point is about 3,818°C (6,904°F). Its density is about 19.05 grams per cubic centimeter.It is also a reactive elment.

Published in: on September 28, 2009 at 5:26 pm  Leave a Comment  

Blog Update No. 4 (Bridget McCarthy)

My element is Silver, which chemical symbol is Ag. Silver has the highest electrical conductivity of any metal, and has the highest thermal conductivity. Silver is a solid and a white transition metal. Silver is a precious metal, and is used to make jewerly, ornaments, silverware, and coins. It is also used to create mirrors, which are all around us. Silver is stable in pure air and water, and it is harder than gold.

Picture:
http://upload.wikimedia.org/wikipedia/commons/6/64/SilverUSGOV.jpg

Websites:
http://en.wikipedia.org/wiki/Silver
http://www.webelements.com/silver/

Published in: on September 28, 2009 at 3:15 am  Leave a Comment  

Blog Update #4 (Tory Kethro)

My chemical element is Helium. Its a gas when it’s at room temperature, and its atomic number is 2. Its apart of the group on the periodic table called the Noble Gases. You can always find helium when there are balloons at a birthday party, it can also make your voice squeak when you inhale it.

Published in: on September 28, 2009 at 1:26 am  Leave a Comment  

Blog Update No.4 (Trevor O’Sullivan)

mercury.36161353196px-Mercury_ElementMy element is Mercury, and Mercury is one of few elements that is a liquid at room temperature. Mercury is a metal but does not take the shape of a solid like many other metals at room temperature. Mercury can most commonly be seen in thermometers and batteries. It’s common in these because of it’s form and is classified as a transitionmetal which relates it’s make-up to these other metals.

Published in: on September 28, 2009 at 12:21 am  Leave a Comment  

Blog Update No. 4 (Jillian Turner)

Arsenic is one of the 11 metaloids on the periodic table and is a solid at room temperature. Arsenic is known to have a boiling point of 1137℉ and a melting point of  1502.6℉. To the eye, arsenic seems harmless with its “metallic grey” color. However, arsenic is known to be harmful to humans as well as animals and is commonly used in everyday rat poisons. Not only is arsenic used in poison, but it is also used as an electrical conductor. 

http://en.wikipedia.org/wiki/Arsenic

http://www.chemicalelements.com/elements/as.html

Published in: on September 28, 2009 at 12:21 am  Leave a Comment  

Blog update No. 4 (Adam Cole-Mullen)

My element is Iodine. Its chemical symbol is I. It is found in the 17th group, 5th period. It belongs to the group Hallogens and is the second least reactive of all of them. Under normal conditions it is a gray solid. It is used frequently in medicine and dyes.

Published in: on September 28, 2009 at 12:05 am  Leave a Comment  

Blog Update No. 4 (Matthew Heiser)

My element is Titanium. The symbol for Titanium is Ti. The atomic number is 22. It is called the “space age metal”, it hasdensity and is a strong, lustrous, and corrosion-resistant. Titanium is extremely strong and very light.

Published in: on September 27, 2009 at 11:16 pm  Leave a Comment  

Blog Update No. 4 (Hong Ngo)

My elemental buddy, Calcium,  has a nickname as ‘Ca’. His/her address on the periodic table is group 2 period 4. It has a atomic number of 20 and an atomic mass of 40.078.

Calcium is has a silvery white color. It is a soft alkaline earth metal. It’s melting is839.0 °C, boiling point is 1484°C. At room temperature, it’s a solid.

Calcium very important for human nutrition. It is needed to make bones and teeth strong. It is also very good for plants growth. Calcium can be found in milk, dairy products and even sunlight. Calcium compounds are used in making lime, bricks, cement, glass, paint, paper, sugar, glazes…etc

http://chemistry.about.com/od/elementfacts/a/calcium.htm

Published in: on September 27, 2009 at 11:04 pm  Leave a Comment