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By: Sarah jayyousi G 8B

Does a connection or relationship exist between the reactivity of a metal and when it was discovered?. By: Sarah jayyousi G 8B. Topic. I am going to try to prove in this power point that there is a relationship between them. And I will also show you the time of when they were found.

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By: Sarah jayyousi G 8B

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  1. Does a connection or relationship exist between the reactivity of a metal and when it was discovered? By: Sarah jayyousi G 8B

  2. Topic • I am going to try to prove in this power point that there is a relationship between them. And I will also show you the time of when they were found.

  3. List of metals and Date of when they were discovered.

  4. Potassium • Potassium was found on 1807 that was discovered by Sir Humphrey Davy • It has a high reactive alkali metal. It reacts with oxygen rapidly to form oxides of itself. • It is very reactive.

  5. Calcium • Calcium was discovered in 1808 and discovered by sir Humphrey Davy. • Calcium is an alkali earth metal reacts with air to form Calcium Oxide. • It is very reactive with a lot of things.

  6. Iron • Iron was discovered in 2000 BC it was discovered before written history. most common element in the whole planet Earth, forming much of Earth’s outer and inner core and it’s fourth most element in the Earth’s crust. • It is not reactive a lot.

  7. Copper • Copper was discovered in 3500 BC it was discovered before written history. • metal with very high thermal and electrical conductivity. It is also ductile. • It is not really reactive.

  8. Answer • I think that there is a relationship between the reactivity of metal and when it was discovered. Because the metals that were discovered in the 18th and the 17th century are more reactive. And the ones in BC times were less reactive. A long time ago there was no technology and the metals that were found were not reactive a lot but the metals that were discovered recently react better than the old one. And on the reactivity series e.g. Iron was higher than copper so that means it Iron is more reactive than copper.

  9. Bibliography • Http://mcssl.com. Web. 27 Oct. 2011. • Http://www.mii.org. Web. 27 Oct. 2011. • Http://upload.wikimedia.org/wikipedia/commons/thumb/f/f0/NatCopper.jpg/250px-NatCopper.jpg. Web. 25 Oct. 2011. • "Copper." Wikipedia, the Free Encyclopedia. Web. 25 Oct. 2011. <http://en.wikipedia.org/wiki/Copper>. • Http://www.siliconmetal.com.cn/pic/ca01.jpg. Web. 25 Oct. 2011. • Http://mcssl.com/content/161340/K.jpeg. Web. 25 Oct. 2011.

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