Vocab Ch 5 | Quizlet

Set: Vocab Ch 5

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All 18 Terms

	Term	Definition
	electron affinity	a measure of the ability of an atom in a chemical compound to attract electrons.
	transition metals	the metals that can use the inner shell before using the outer shell to bond; found in periods 3 through 12
	atomic radius	one-half of the distance between the center of identical atoms that are not bonded together.
	lanthanide	a member of the rare-earth series of elements, whose atomic numbers range from 58 (cerium) to 71 (lutetium); part of the f-block of elements.
	periodic law	the law that states that the repeating chemical and physical properties of elements change periodically with the atomic numbers of the elements.
	electronegativity	the energy needed to remove an electron from a negative ion to form a neutral atom or molecule.
	ionization energy	the energy required to remove an electron from an atom or ion
	alkali metals	the elements of Group 1 of the periodic table.
	main-group elements	elements in the s-block or p-block of the periodic table.
	anion	an ion that has a negative charge.
	ionization	the process of adding or removing electrons from an atom or molecule, which gives the atom or molecule a net charge.
	periodic table	an arrangement of the elements in order of their atomic numbers such that elements with similar properties fall in the same column, or group.
	ion	an atom, radical, or molecule that has gained or lost one or more electrons and has a negative or positive charge.
	alkaline-earth metals	any of the elements of Group 2 of the periodic table.
	actinide	any of the elements of the series ranging in atomic number from 89 (actinium, Ac) through 103 (lawrencium, Lr).
	cation	an ion that has a positive charge.
	halogens	the elements of Group 17; these elements combine with most metals to form salts.
	valence electrons	electrons that are found in the outermost shell of an atom and that determine the atom’s chemical properties.

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Terms	18
Creator	hliztaylor
Created	September 16, 2007
Group	C'burg Chemistry
Tag	vocab
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