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Definition
| any metal in group 1A of the periodic table |
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Definition
| any metal in group 2A of the periodic table |
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Definition
| any atom of group of atoms with a negative charge |
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Definition
| one-half the distance between the nuclei of two atoms of the same element when the atoms are joined |
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Definition
| any atom of group of atoms with a positive charge |
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Term
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Definition
| the ability of an atom to attract electrons when the atom is in a compound |
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Definition
| a nonmetal in group 7A of the periodic table |
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Term
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Definition
| an element in the lanthanide or actinide series; the highest occupied s sublevel and nearby f sublevel generally contain electrons |
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Definition
| an atom or group of atoms that has a positive or negative charge |
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Definition
| the energy required to remove an electron from an atom in its gaseous state |
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Definition
| an element that tends to have properties that are similar to those of metals and nonmetals |
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Definition
| one class of elements that are good conductors of heat and electric current; tend to be ductile, malleable, and shiny |
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Term
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Definition
| an element in group 8A of the periodic table; the s and p sublevels of the highest occupied energy level are filled |
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Definition
| an elements that tends to be a poor conductor of heat and electric current; nonmetals generally have properties opposite of those of metals |
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Definition
| when the elements are arranged in order of increasing atomic number, there is a periodic repetition of chemical and physical properties |
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Term
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Definition
| an element in a "A" group in the periodic table; as a group of those elements display a wide range of chemical and physical properties |
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Term
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Definition
| one of the group B elements in which the highest occupied s sublevel and nearby d sublevel generally contain electrons |
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