All Acronyms, JRA - Juvenile Rheumatoid Arthritis (Feb. 11, 2018, 5:02 AM), available at https://www.allacronyms.com/JRA/Juvenile_Rheumatoid_Arthritis. cse All Acronyms.
Taxpayer Identification Number (TIN): Overview What is a TIN? A Taxpayer Identification Number (TIN) is required by the federal government for reporting purposes. A TIN can be a Social Security Number (SSN) or an Individual Taxpayer Identification Number (ITIN). A valid TIN can have only 9 numbers.
Sn(CrO4)2 Tin 4 means that the tin is a cation with a +4 charge. Chromate is a polyatomic ion with the formula (CrO4)-2. Since the tin ion has a +4 charge in this case, and â¦ the chromate ion has a -2 charge, there is a 1:2 ratio of tin ions to chromate ions. Joppe DeQuint 17,149 Contributions