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| When elements are arranged in order of increasing atomic number, there is a periodic repetition of their physical and chemical property. |
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| good conductors of heat and electric current. |
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| are poor conductors of heat and electric current. |
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| has properties that are similar to those of metals and nonmetals. |
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| the highest occupied "s" sublevel and nearby "d" sublevel contain electrons |
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| the highest occupied "s" sublevel and nearby "f" sublevel generally contain electrons. |
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| one half of the distance between the nuclei of two atoms of the same element when the atoms are joined. |
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| An ion with a positive charge. |
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| A negatively Charged ion. |
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| The energy required to remove an electron from an atom |
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| the ability of an atom of an element to attract electrons when the atom is in a compound. |
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