Looking for any baby names that mean guardian, messenger, warrior(or any with similar meanings) for a baby boy.January 30th, 2015 03:44 PM #3.NDREAS (á¼Î½Î´ÏÎ­Î±Ï): Greek name derived from the word andros, meaning man; warrior.. In the bible, this is the name of an apostle of Christ and brother to Simon Peter. He is said to have been crucified at Patrae in Archaia.
Mass is the amount of stuff in an object. That is, the amount of atoms and molecules present. Mass in science, is measured in the metric system using units such as kilogram (about 2.2 pounds)nwhich are a thousand grams, grams, centigrams (hundredths of grams), and milligrams (thousandths of grams). Mass is different from weight, Weight is a force.
The atomic mass is the mass of a single atom of the element. It is measured in units in which an atom of carbon weighs exactly 12. On this scale, the atomic mass of hydrogen is approximately 1, that of helium is 4, and so on. In 1869, Dmitri Mendeleyev noticed regularites in the chemical properties of the elements. He arranged the list of elements into the periodic table of the elements.