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| The 14 elements with atomic numbers from 90 (thorium, Th) to 103 (lawrencium, Lr) |
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| the 14 elements with atomic numbers from 58 (cerium, ce) to 71 (lutetium, Lu) |
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| The physical and chemical properties of the elements are periodic functions of their atomic numbers |
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| an arrangement of the elements in order of their atomic numbers so that elements with simliar properties fall in the same column, or group |
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| The elements of Group 1 of the periodic table (lithium, sodium, potassium, rbuidium, cesium, and francium) |
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| The elements of Group 2 of the periodic table (beryllium, magnesium, calcium, strontium, barium, and radium) |
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Definition
| The d-block elements are metals with typical metallic properties |
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| The p-block elements together together with the s-block elements |
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| The elements of Group 17 (fluroine, chlorine, bromine, iodine, and astatine) |
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Definition
| One-half the distance between the nuclei of identical atoms that are bonded together |
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Definition
| atom or group of bonded atoms that has a positive or negative charge |
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Definition
| Any process that results in the formation of an ion |
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| The energy required to remove one electron from a neutral atom of an element |
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Definition
| The energy change that occurs when an electron is acquired by a neutral atom |
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Definition
| The electrons available to be lost, gained, or shared in the formation of chemical compounds |
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Definition
| a measure of the ability of an atom in a chemical compound to attract electrons |
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