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October 10, 2016

I naturen hittar man inte kisel [Si] i sin rena form utan alltid i föreningar, främst med syre och bildar då kiseldioxid. Kiseldioxid finns i sand, lera granit och kvarts.  Kisel är ett starkt, men ett ganska skört material som tillhör halvmetallerna. Tack vare sin str...

June 20, 2016

Magnesium[ Mg ] i sin grundform är en lätt, relativt stark och silverfärgad metall, som du hittar i Grupp 1 i det periodiska systemet - alkalimetallerna. Tack vare sin låga vikt är magnesium väldigt användbar i metallegeringar för att öka hållfastheten utan att göra ma...

May 19, 2016

Natrium [Na] är en mjuk silvervit metall som hör till grupp 1 i det periodiska systemet - alkalimetallerna. Natrium hittas ofta som olika typer av mineralföreningar, det är så pass reaktivt att man aldrig hittar det i sin grundform. Hur kan natrium på egen hand vara ex...

April 20, 2016

 

Neon [Ne] är ett sällsynt grundämne, endast små spår kan hittas i vår atmosfär och i jordskorpan. Mer vanligt är neon i vårt universum och i stjärnorna. Neon skapas genom fusion mellan helium och syrei stjärnorna, kallat alfa processen.  

Neon är under normal förhållad...

March 9, 2016

 

Fluorine [F] is the lightest member of the halogen family. The halogens are five non-metallic elements found in Group 17 of the periodic table. The term halogen means "salt-producing" and compounds containing halogens are called salts. Fluorine is a yellowish gas at r...

February 22, 2016

 

Oxygen [O] is all around us, you can find it in the air you breath and in the water you drink. It is one of the most important elements on our planet. Oxygen is produced naturally on the earth through the photosynthetic process (respiration process) in plants. Humans...

February 12, 2016

 

 

78% of Earth's atmosphere is made of nitrogen gas. Nitrogen [N] can also be found in all living organisms on our planet including plants and animals. It also plays an important role in proteins and nucleic acids. Nitrogen is a clear gas with no smell and forms diatom...

February 5, 2016

Carbon[C] is one of the most important elements to life on planet Earth. It forms more compounds than any other element and is essential to all plant and animal life. Carbon is important to the existence of life, and is constantly cycled through the oceans, atmosphere,...

January 25, 2016

 

Boron [B] is a fairly rare element on Earth.  

Boron is found in numerous compounds; most commonly are borax and kernite, which are found in sedimentary rock formations. Boron is a metalloid, which means that its properties are in between that of a metal and a nonmetal...

January 18, 2016

 

Despite Beryllium [Be] being very toxic, it is thanks to its unique qualities very useful and popular within space and military applications. Beryllium is one of the lightest metals, with one of the highest melting points (among the light metals) and at the same has s...

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