Chemical Elements.com - Lithium (Li)

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Basic Information | Atomic Structure | Isotopes | Related Links | Citing This Page

Basic Information

Name: Lithium
Symbol: Li
Atomic Number: 3
Atomic Mass: 6.941 amu
Melting Point: 180.54 °C (453.69 K, 356.972 °F)
Boiling Point: 1347.0 °C (1620.15 K, 2456.6 °F)
Number of Protons/Electrons: 3
Number of Neutrons: 4
Classification: Alkali Metal
Crystal Structure: Cubic
Density @ 293 K: 0.53 g/cm³
Color: silvery

Atomic Structure

Number of Energy Levels: 2

First Energy Level:

Second Energy Level:

Isotopes

Isotope	Half Life
Li-6	Stable
Li-7	Stable

Facts

Date of Discovery: 1817
Discoverer: Johann Arfvedson
Name Origin: From the Greek word lithos (stone)
Uses: batteries, ceramics, lubricants
Obtained From: passing electric charge through melted lithium chloride, spodumene

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