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.
father DNA testing. 1  Paternity DNA testing or father DNA test is acknowledged as one of the most innovative breakthroughs of modern medical science and DNA testing mechanisms. The father DNA test is very necessary and helps determine the offspring's parentage as well as rectify anomalies both personal and social.