In Groups 4A-6A, there are several elements whose symbols begin with S. Name these elements, and for each one give its symbol, atomic number , group number, and period. Describe each as a metal, metalloid, or nonmetal.

The elements are silicon, sulfur, selenium, tin and antimony. Silicon Symbol: Si, atomic number 14, atomic weight 28.085, group 14 (4A), period 3, Metalloid. Sulfur Symbol: S, atomic number 16, atomic weight 32.06u, group 16 (6A), period 3, Nonmetal. Selenium Symbol: Se, atomic number 34, atomic weight 78.971, group 16 (6A), period 4, Nonmetal. Tin Symbol: Sn, atomic number 50, atomic weight 118.71u, group 14 (4A), period 5, Metal. Antimony Symbol: Sb, atomic number 51, atomic weight 121.76u, group 15 (5A), period 5, Metalloid.