1. Select Institution: University of Rio Grande & Rio Grande Community College.
2. Your Barcode or Username is simply an “S” followed by your Student ID Number (Example: S300123456).
3. Your PIN is the last four digits of your Social Security Number (Example: 1234).
Standard form of the periodic table of chemical elements. The colors represent different categories of elements
When hydrogen bromide (HBr), pictured, is dissolved in water, it forms the strong acid hydrobromic acid.