Element that typically is a hard, shiny solid, is malleable, and is a good conductor of hear and electricity.

Ability of metals and alloys to be rolled or hammered into thin sheets.

Ability of metals to be drawn into wires.

Occurs because electrons move freely among a metal's positively charged ions and explains properties such as a ductility and the ability to conduct electricity.

Element, such as radium whose nucleus breaks down and emits particles and energy.

Elements in Group 3 through 12 of the periodic table; occur in nature as uncombined elemetns and include the iron triad and coinage metal.

Element that usually is a gas or brittle solid at room temperture, is not malleable or ductile, is a poor conductor of heat and electricity, and typiclly is not shiny.

A molecule that consists of two atoms of the same element.

Compound formed when negarive ions from an acid combine with positive ions from a base.

The process of a solid changing directly to a vapor without forming a liquid.

Element that shares some properties with metals and some with nonmetals.

Different forms of the same element having different molecular structures.

Material having conductivity properties between that of metals (good conductors) and nonmetals (insulators) and having conrtollable conductivity parameters.

Elements having more than 92 protons, all of which are synthetic and unstable.

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ps chapter 19 vocab

sections 1, 2, & 3

Question	Answer
Metal	Element that typically is a hard, shiny solid, is malleable, and is a good conductor of hear and electricity.
Malleable	Ability of metals and alloys to be rolled or hammered into thin sheets.
Ductile	Ability of metals to be drawn into wires.
Metallic Bonding	Occurs because electrons move freely among a metal's positively charged ions and explains properties such as a ductility and the ability to conduct electricity.
Radioactive Element	Element, such as radium whose nucleus breaks down and emits particles and energy.
Transition Element	Elements in Group 3 through 12 of the periodic table; occur in nature as uncombined elemetns and include the iron triad and coinage metal.
Nonmetal	Element that usually is a gas or brittle solid at room temperture, is not malleable or ductile, is a poor conductor of heat and electricity, and typiclly is not shiny.
Diatomic Molecule	A molecule that consists of two atoms of the same element.
Salt	Compound formed when negarive ions from an acid combine with positive ions from a base.
Sublimation	The process of a solid changing directly to a vapor without forming a liquid.
Metalloid	Element that shares some properties with metals and some with nonmetals.
Allotrope	Different forms of the same element having different molecular structures.
Semiconductor	Material having conductivity properties between that of metals (good conductors) and nonmetals (insulators) and having conrtollable conductivity parameters.
Transuranium Element	Elements having more than 92 protons, all of which are synthetic and unstable.

Created by: maurisio

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