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21 Cards in this Set
- Front
- Back
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____ ____ states that the properties of elements recur in a repeating pattern when arranged according to increasing atomic number
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periodic law
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A vertical column in the periodic table is called a
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group
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A horizontal row in the periodic table is called a ___ or ___
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period or series
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Representative elements and also called __ ___ ___
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main group elements
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Representative elements are found in _ groups
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A
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___ __ are found in the B groups in the middle of the periodic table
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Transition elements
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___ ___ ___ are found beneath the main portion of the periodic table
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inner transition elements
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The family name for the Group I/A is the __ __
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alkali metals
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The elements in group II/A are known as the
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alkaline earth metals
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The elements in Group VII/17 are call ____
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halogens
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Group VIIIA/18 elements on the far right side of the periodic table known as the __ ___
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noble gases
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As we move left to right across the periodic table, metallic character ______
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decreases
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Metallic character _____ up a group
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decreases
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Outermost electrons are called ____ _____
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valence electrons
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An ___ ___ ___ shows the symbol of an element surrounded by its valence electrons
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electron dot formula
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The amount of energy necessary to remove an electron form a neutral atom in the gaseous state is called the ___ ____
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ionization energy, ionization potential
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Ionization energy ____ up a group of elements
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increases
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Ionization energy _____ from left to right across a period of elements
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increases
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___ ___ results from the sharing of electrons between a metal and nonmetal
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ionic charge
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two or more ions said having the same number of electrons are said to be _____
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isoelectronic
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The method of showing the core of an atoms is called _____ _____
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core notation
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