Periodic Table of Elements

02/05/09

Li

Lithium

Atomic Number

3

Atomic Symbol

Li

	Name	Lithium
	Meaning	Named for the Latin word 'lithos' meaning 'stone'

Group

Alkali earth

Atomic Weight

6.941

Density, g/cubic cm at STP

0.534

Melting Point, °C

180.7

Boiling Point, °C, 1 atm

1317

Naturally Occurring Isotopes

Li-6, Li-7

Discoverer

Arfvedson

Year

1818

Ionization Energy, eV

5.3917

Configuration

1s2 2s

Description

Silvery-grey

References: Holden, Norman E. (March 30, 2004). "History of the origin of the chemical elements and their discoverers." National Nuclear Data Center. Retrieved October 7, 2005 from http://www.nndc.bnl.gov/content/elements.html "List of elements by boiling point." (September 22, 2005). Wikipedia. Retrieved October 9, 2005 from http://en.wikipedia.org/wiki/List_of_elements_by_boiling_point "List of elements by density." (September 22, 2005). Wikipedia. Retrieved October 9, 2005 from http://en.wikipedia.org/wiki/List_of_elements_by_density "List of elements by melting point." (September 22, 2005). Wikipedia. Retrieved October 9, 2005 from http://en.wikipedia.org/wiki/List_of_elements_by_melting_point "NIST chemistry webBook." (2005). National Institute of Standards and Technology. Retrieved October 6, 2005 from http://webbook.nist.gov/chemistry/ Zucker, M.A.; Kishore, A. R.; Sukumar, R.; and Dragoset, R. A. (July 2005). "Elemental data index."  National Institute of Standards and Technology. Retrieved October 7, 2005 from http://physics.nist.gov/PhysRefData/Elements/cover.html