Note that a compound: 1  consists of atoms of two or more different elements bound together, 2  can be broken down into a simpler type of matter (elements) by chemical means (but not by physical means),  has properties that are different from its component elements, and.
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BCBSIl Customer Service Phone Number. 1  Blue Cross and Blue Shield of Illinois Services. 2  The Blue Cross Blue Shield Association (BCBSA) 3  Blue Cross and Blue Shield Illinois Claim Address. 4  BCBSIL Operation Hours. 5  BCBSIl Address. 6  BCBSIl Website. 7  BCBSIl Customer Support Service Phone Number. The customer support phone number of BCBSIl is 800-810-2583 (Click phone number to call). The postal and official address, email address and phone number (helpline) of BCBSIl Service Center and BCBSIl customer service phone number is given below. The helpline of BCBSIl customer service phone number may or may not be toll free. Click Here To View BCBSIl Customer Service Phone Numbers