1.
Element that is shiny, malleable, ductile, and a good conductor of heat and electricity.
2.
Property of metals and alloys that allow them to be hammered or rolled into thin sheets.
3.
Property of metals and alloys that allows them to be drawn into wires.
4.
Occurs because some electrons move freely among a metal's positively charged ions, explains properties such as ductility and the ability to conduct electricity.
5.
Element, such as radium, whose nucleus breaks down and emits particles and energy.
6.
Elements in groups 3 through 12 of the periodic table.
7.
Element that usually is a gas or brittle solid at room temperature, is not malleable or ductile, is a poor conductor of heat and electricity, and typically is not shiny.
8.
A molecule that consists of two or more atoms of the same element, joined by a covalent bond.
9.
Element that shares some properties with metals and some with nonmetals.
10.
Different molecular structures of the same element.
