82 Pb 207.21
Lead
post-transition metal
Properties
- Atomic number
- 82
- Atomic mass
- 207.21 u
- Category
- post-transition metal
- Group
- 14
- Period
- 6
- Block
- p-block
- State (room temp)
- Solid
- Outer-shell electrons
- 4
- Electronegativity
- 1.87 (Pauling)
- Density
- 11.34 g/cm³
- Melting point
- 327.46 °C
- Boiling point
- 1748.85 °C
Electron configuration
1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p²
Noble-gas shorthand: [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p²
Electrons per shell: 2, 8, 18, 32, 18, 4, which is 4 in the outermost shell.
Related: electron configuration, the Bohr model, valence electrons.
About Lead
Lead (/lɛd/) is a chemical element in the carbon group with symbol Pb (from Latin:plumbum) and atomic number 82. Lead is a soft, malleable and heavy post-transition metal. Metallic lead has a bluish-white color after being freshly cut, but it soon tarnishes to a dull grayish color when exposed to air.
- Discovered by Middle East
- Appearance: metallic gray
Lead: frequently asked questions
- What is Lead?
- Lead (Pb) is the chemical element with atomic number 82. It is a metal: specifically a post-transition metal.
- What is the atomic number of Lead?
- Lead's atomic number is 82, which means every Lead atom has 82 protons in its nucleus.
- What is the electron configuration of Lead?
- The electron configuration of Lead is 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p2 (noble-gas shorthand: [Xe] 4f14 5d10 6s2 6p2). Its electrons are arranged in shells of 2, 8, 18, 32, 18, 4, with 4 in the outermost shell.
- Is Lead a metal or a nonmetal?
- Lead is a metal: specifically a post-transition metal.
- What group and period is Lead in?
- Lead is in group 14 and period 6 of the periodic table.
- Is Lead a solid, liquid, or gas?
- At room temperature, Lead is a solid.
Position in the periodic table
Data compiled from Wikipedia, PubChem, and IUPAC. Source.