6 energy levels first energy level: 2 second energy level: 8 third energy level: 18 fourth energy level: 32 fifth energy level: 18 sixth energy level: 4
Atomic number: 82 Atomic mass: 207.2 amu Melting point: 327.5 °C Boiling point: 1740.0 °C Number of protons/electrons: 82 Number of neutrons: 125
6 energy levels
first energy level: 2
second energy level: 8
third energy level: 18
fourth energy level: 32
fifth energy level: 18
sixth energy level: 4
Atomic number: 82
Atomic mass: 207.2 amu
Melting point: 327.5 °C
Boiling point: 1740.0 °C
Number of protons/electrons: 82
Number of neutrons: 125