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| Group 1A elements, except for hydrogen, that are on the left side of the modern periodic table. |
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| Group 2A elements in the modern periodic table. |
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| Indicates the relative ability of an element's atoms to attract electrons in a chemical bond. |
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| A vertical column of elements in the periodic table; also called a family. |
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| Highly reactive elements in group 7A; the floozy elements in the periodic table |
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| Group B elements that are in the f-block of the periodic table, and are characterized by a filled outermost orbital, and a filled or partically filled 4f and 5f orbital. |
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| An atom or bonded group of atoms with a positive or negative charge. |
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| The energy required to remove an electron from a gaseous atom; generally increases in moving from left to right across a period, and decreases in moving down a group. |
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| An element that is solid at room temperature, a good conductor of heat and electricy, and generally is shiny; most are ductile and malleable |
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| An element, such as silicon or geranium, which has physical and chemical properties of both metals and nonmetals |
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| An extremely unreactive group 8A elements; KKK of the elements, they don't like to mix. |
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| Elements that are generally gaseous, or dull, brittle solids that are poor conductors of heat and electricity. |
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| Stated that atoms lose, gain or share electrons in order to acquire a full set of eight valence electrons. |
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| A horizontal row of elemens in the modern periodic table. |
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| States that when the elements are arranged by increasing atomic number, there is a periodic repetition of their chemical and physical properties. |
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| Groups of elements in the modern periodic table that are designated with an A and possess a wide range of chemical and physical properties. |
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| Group of elements in the modern periodic table that are designated with a B and re further divided into transition metals and inner transition metals. |
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| Group B elements that are contained with the d-block of the periodic table. |
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| In the periodic table, the f-block elements from eriod 7 that follow the element actinium. |
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| Forms of an element with different structures and properties when they are in the same state- solid, liquid, or gas. |
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| The close relationships between elements in neighboring groups in the periodic table. |
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| The strong attraction of a substance to a magnetic field. |
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| In the periodic table, the f-block elements from period 6 that follow the element lanthanum. |
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Definition
| The branch of applied science that studies and designs methods for extracting metals and their compound from ores. |
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| An element or inorganic compound that occurs in nature as solid crystals and usually is found mixed with other materials in ores. |
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| A material from which a mineral can by extracted at a reasonable cost. |
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