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Chapter 19 - A.G


Metal Element that typically is a hard, skinny solid, is malleable, and is a good conductor of heat and electricity.
Malleable Can be hammered or rolled into sheets.
Ductile Ability of metals to be drawn into wires.
Metallic Bonding Positively charged metallic ions are surrounded by a cloud of electrons.
Radioactive Element One in which the nucleus breaks down and gives off particles and energy.
Transition Element Those elements in Groups 3 through 12 in the periodic table.
Nonmetal Elements that usually are gases or brittle solids at room temperature.
Diatomic Molecule A molecule that consists of two atoms of the same element.
Salt A halogen gains and electron form a metal, an ionic compound.
Sublimation The process of a solid changing directly to a vapor without forming a liquid.
Metalloid Can form ionic and covalent bonds with other elements and can have metallic and nonmetallic properties.
Allotrope Different forms of the same element having different molecular structures.
Semiconductor Elements that conduct an electric current under certain conditions.
Transuranium Element Elements having more than 92 protons, the atomic number of uranium.
Created by: analizagarza