This is the right answer #3
Answer:
Symbol: Pb
Atomic mass: 207.2 u
Atomic number: 82
Melting point: 621.5°F (327.5°C)
Electron configuration: [Xe] 4f¹⁴5d¹⁰6s²6p²
Electrons per shell: 2,8,18,32,18,4
Boiling point: 3,180°F (1,749°C)
Explanation:
hope this helps :)
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Plumed serpent, i hope this helped!
They are roommates, teachers and students.