Lithium/Standard Atomic Weight

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The Standard Atomic Weight for Lithium is given as: 6.941(2)[1]

Note:Commercially available Li materials have atomic weights that range between 6.939 and 6.996; if a more accurate value is required, it must be determined for the specific material.[2] Note: The range given in Atomic Weights of the Elements 1995 was 6.94 to 6.99

  1. This data was taken from the web site of NIST on December 2, 2007.