The Element Lead


Lead is a bluish grey lustrous metal which is very soft and highly malleable and ductile. It is a poor conductor of electricity but is highly resistant to corrosion because it tarnishes or forms oxides upon exposure to air. Although lead has the highest atomic number of all stable elements, it is known as a poor metal yet durable.

Lead is widely used in building constructions, lead-acid batteries and in bullets and shots, weights and parts of solder and fusible alloys. As opposed to its many uses in ever day life, lead is known as a neurotoxin that accumulates in soft tissues and bone over time causing health conditions such as cancer.

Atomic Number & Chemical Properties


Element Basics:

Chemical Symbol: Pb
Atomic Number: 82
Atomic Weight: 207.2
Element Classification: Other Metal
Discovered By: Known to the ancients.
Date of Discovery: n/a (Unknown)
Origin of Name: Anglo-Saxon: lead; symbol from Latin: plumbum.

How to Recognize it at a Party:

Very soft, highly malleable and ductile, blue-white shiny metal

Seriously Atomic Information:

Density (g/cc): 11.35
Melting Point (°K): 600.65
Boiling Point (°K): 2013
Atomic Radius (pm): 175
Atomic Volume (cc/mol): 18.3
Covalent Radius (pm): 147
Ionic Radius: 84 (+4e) 120 (+2e)
Pauling Negativity Number: 1.8
First Ionizing Energy (kJ/mol): 715.2
Oxidation States: 4, 2
Electronic Configuration: [Xe] 4f14 5d10 6s2 6p2

Getting Intimate with Lead:

Lattice Structure: Face-Centered Cubic (FCC)
Lattice Constant (Å): 4.950
Lattice C/A Ratio: n/a
Specific Heat (@20°C J/g mol): 0.159
Fusion Heat (kJ/mol): 4.77
Evaporation Heat (kJ/mol): 177.8
Thermal Conductivity (@25°C W/m K):
Debye Temperature (°K): 88.00


Society's Questions About Lead:

Have you ever wondered what everyone else in the world thinks about Lead? Is anyone else looking for it too? If so, why? What do they want?

The following list shows the most common online questions about the element Lead. Are your questions the same or different from everyone else's?

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