Sodium is a chemical element with the chemical symbol Na. It is an alkali metal with the atomic number 11. We know that substances are made up of various atoms, and each atom has a specific chemical identity. It (an atom) is said to be chemical element, and has all the characteristics of that element.
Tax season discounts available now. DNA paternity testing determines the biological father of a child. We all inherit our DNA from our biological parents â half from our mother and half from our father. A DNA paternity test compares a childâs DNA pattern with that of the assumed father to determine if there is a match.
Paternity Testing for Deceased Alleged Father. This test is performed when the alleged father is deceased. In many cases, the Medical Examiner's Office can provide a blood or tissue sample. A blood stain or blood spot card from the Medical Examiner's office is an ideal sample. You can also determine if a vial of blood is available in newer cases (30 days or so).