In 1913 Niels Bohr proposed a new model of the atom that included quantized electron orbits: electrons still orbit the nucleus much as planets orbit around the sun, but they are only permitted to inhabit certain orbits, not to orbit at any distance.
About reports the melting point of gold is 1,064.43 degrees Celsius. The melting point of a solid is the temperature at which it becomes a liquid. Gold's boiling point is 2,807 degrees Celsius.
Coin Melt Values in May 2014 Drop as Silver Loses Ground. May 31, 2014 by Current Coin Values. A continued slump in the silver market has now extended into three months bringing the melt values of silver coins down along with it. The London Fix for silver ended May 2014 down 1.4% from its position at the end of April.