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.
Salt will melt (become liquid) at 801 degrees Celsius, 1074 degrees Kelvin, 1474 degrees Fahrenheit. It will vaporize at 1465 degrees Celsius, 1738 degrees Kelvin, 2669 degrees Fahrenheit. 801 degree Celsius or 1074 Kelvin It will melt when heated above this temp. It will freeze when cooled below this temp.