Which element in Fe(NO)_3 is a metal? (a) N (b) O (c) Fe. Is mercury classified as a metal, a metalloid, or a nonmetal? Explain. What is the symbol of the element in Group 4A(14) and Period 2 in the periodic table?
Seven elements in the metalloid family separate the metals from the nonmetals on the periodic table. Hydrogen is on the metal side of the metalloids, but is considered to be a nonmetal. The seven metalloids are: antimony, arsenic, astatine, boron, germanium, silicon, and tellurium....
Despite being called as a metal, hydrogen is classified a nonmetal. Some scientists believe that metallic hydrogen may exist in the planet Jupiter‘s core. General Properties of Metal Hardness: The capacity of a metal to withstand abrasion, penetration, cutting, or long-term deformation is referre...