- Budapest (Wikipedia)
Budapest is the capital and most populous city of Hungary. It is the ninth-largest city in the European Union by population within city limits and it was the largest city on the Danube river; today it is the second largest one. The city has an estimated population of 1,752,286 over a land area of about 525 square kilometres (203 square miles). Budapest, which is both a city and municipality, forms the centre of the Budapest metropolitan area, which has an area of 7,626 square kilometres (2,944 square miles) and a population of 3,303,786. It is a primate city, constituting 33% of the population of Hungary.
- Lead (Wikipedia)
Lead is a chemical element; it has symbol Pb (from Latin plumbum) and atomic number 82. It is a heavy metal that is denser than most common materials. Lead is soft and malleable, and also has a relatively low melting point. When freshly cut, lead is a shiny gray with a hint of blue. It tarnishes to a dull gray color when exposed to air. Lead has the highest atomic number of any stable element and three of its isotopes are endpoints of major nuclear decay chains of heavier elements.