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| Orbitals that contain the outer-shell electrons of an atom. |
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| The net positive charge experienced by an electron in a many electron atom. |
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| The radius of an atom as defined by the distances separating it from other atoms to which it is chemically bonded. |
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| A series of atoms, ions, or molecules having the same number of electrons. |
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| The energy required to remove an electron from a gaseous atom when the atom is in its ground state. |
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| The energy change that occurs when an electron is added to a gaseous atom or ion. |
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The extent to which an element exhibits the physical and chemical properties characteristics of metals
Ex: Luster, maleability, ductility, good thermal, and electrical conductivity |
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Members of the 1A in the periodic table
1A: Li, Na, K, Rb, Cs, Fr |
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Members of group 2A in the periodic table
List: Be, Mg, Ca, Sr, Ba, Ra |
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| An ion formed by the addition of an electron to a hydrogen atom: H- |
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| The name given to O3, an allotrope of oxygen |
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Members of group 7A in the periodic table
List: F, Cl, Br, I, At |
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Members of group 8A in the periodic table.
List: He, Ne, Ar, Kr, Xe, Rn |
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| Estimating effective nuclear charge |
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Atomic Radius Periodic Trend
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Across Periodic Table: Atom gets bigger
Down Periodic Table: Atom gets bigger |
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| First Ionization Energy Trend |
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energy
Across Periodic Table: Energy increases
Down Periodic Table: Energy |
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