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Richmond, Virginia

416 West Franklin Street
Richmond, Virginia 23220
Office: (804) 643.2828
Fax: (804) 643.2829

Houston, Texas

Office: (713) 280-1269

Medicine Hat, Alberta

101-1201 Kingsway Ave SE, Suite 822
Medicine Hat, Alberta T1A 2Y2
(713) 280-1269

Helium’s standard atomic weight is

4.002602

.
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