Antonio de Ulloa discovered platinum in South America in 1735 and by Wood in 1741. Platinum is a silver-white metal that holds even more value then gold. Its atomic number is 78 and its mass is 195.08. It is also one of the heaviest metals. It is a transition metal and its electron configuration ...

Botticelli, Sandro Botticelli, an artist with many artisitic styles. Botticelli was born in Florence and influenced by others artistry. In the Florentine Renaissance, Botticelli was well known as one of the leading painters. He developed a highly personal style characterized by elegant execu...