according to increasing atomic number. Scientists use the periodic table to quickly refer to information about an element, like atomic mass and chemical symbol. The periodic table’s arrangement also ...

Atomic number 15, atomic weight 30.9738. Sulfur (S): Sulfur is a nonmetallic element found mainly in volcanic and sedimentary deposits. Sulfur, in the form of iron sulfide, can cause steel to be ...

Iron has a mass number of 56 and is one of the most stable of all the elements. We say that iron has a high binding energy per nucleon. Elements with lower and higher mass numbers per nucleon are ...