1. Metals that move the world.

2.  HISTORY ◦ In the world – Egypt, Rome – aureus, gold-fever ◦ In the Czech republic – Zlaté hory, Luxemburgs  PROPERTIES OF GOLD ◦ Malleable, unreactive, yellow, shiny metal ◦ Electrically and thermally conductive [2]

3.  INVESTMENT [2] [4]

4.  HISTORY ◦ In the world – Babylon, Spain ◦ In the Czech republic – Jihlava, Kutná hora  PROPERTOES OF SILVER ◦ Malleable, white, shiny metal ◦ Electrically and thermally conductive [3 ]

5.  INVESTMENT [3] [5]

6.  HISTORY ◦ In the world – Sumerians, Rome ◦ In the Czech republic – little, together with silver  PROPERTIES OF COPPER ◦ Soft, reddish, shiny metal ◦ Bronze, brass ◦ Electrically and thermally conductive [1]

7.  INVESTMENT [1] [6]

8.  Reaction of silver and copper with solvents  Acids and bases  Water, sulfuric acid, nitric acid, acetic acid, sodium hydroxide, aqua regia

9.  http://commons.wikimedia.org/wiki/Copper [1]  http://commons.wikimedia.org/wiki/Gold [2]  http://commons.wikimedia.org/wiki/Silver [3]  http://www.kurzy.cz/komodity/zlato-graf-vyvoje-ceny/ [4]  http://www.kurzy.cz/komodity/stribro-graf-vyvoje-ceny/ [5]  http://www.kurzy.cz/komodity/med-graf-vyvoje-ceny/ [6]

10. Iva Rambousková