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.
1 Hold a magnet near the piece of gold. 2  If the magnet attracts the gold piece, then there are other metals mixed in the gold. 3  This is not pure gold. 4  On the flip side just because something is not magnetic does not prove that it is gold.5  Brass, copper, aluminium are not magnetic. Hold a magnet near the piece of gold. 2  If the magnet attracts the gold piece, then there are other metals mixed in the gold. 3  This is not pure gold. 4  On the flip side just because something is not magnetic does not prove that it is gold. 5  Brass, copper, aluminium are not magnetic.