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Anion (2)
an ion with a negative charge
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Atom (3)
the smallest particle of an element that can exist and retain all of the properties of that element
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Atomic number (2)
the number of protons in the nucleus of an atom. The atomic number is also equal to the number of electrons in an atom.
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Atomic weight (2)
approximately equal to the number of protons plus the number of neutrons
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Cation (2)
an ion with a positive electrical charge
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Electrons
particles found outside the nucleus of atoms having a -1 charge
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Formula
alphabetic symbol representing one molecule of a compound
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ion (3)
an atom that develops an electical charge during a chemical reaction
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ionization
breaking apart into ions when placed in a solution (such as dissolbing table salt in water)
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neutrons
atomic particle found in the nucleus of an atom having a neutral (0) charge
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Orbits or Shells of an atom
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Oxidation number
the number of electrons transferred or shared in a chemical reaction
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Polyatomic Ion
atoms that are checmically bonded and as a group have a net electrical charge and remain together as a group during a chemical reaction (synonymous with radical)
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prontons
atomic particle found in the nucleus of an atom having a +1 charge
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radical
atoms that are checmically bonded and as a group have a net electrical charge and remain together as a group during a chemical reaction
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Valence electrons
the electrons in the outermost energy level of an atom
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A "charged atom is called
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A charged group of atoms that stay together & act as a single unit in a chemical reation is what? (2 names)
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A group of symbols that represents all of the elements present in a compound is
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A measurement of how well electrons are held onto by the nucleus of an atom is
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An atom that has either a positive or a negative charge is called
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An atom that has gained electrons is called
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An atom that has lost electrons is
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An atom that has lost or gained electrons is
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An ion with a negative charge is
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Elements are made up of very small units of matter called
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Give the formula that tells us there are two combined atoms of copper?
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Group VII of the periodic table of the elements is known as
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Group VIII of the periodic table is known as
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How are the elements arranged horizontally on the periodic table?
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How are the elements arranged vertically on the periodic table?
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How does an ion get it's charge?
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In a chemical reactions, elements in groups IV through VII will tend to do what?
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In chemical reactions, elements found in groups I, II, and III will tend to do what?
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Ions which are positively charged are
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Know the elctrical charge associated with each of the following: Proton, Neutron, Electron
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Know the mass of each of the following: proton, newtron, electron
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Know the names and formulas for the required polyatomic ions on page 22 of the text
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The arrangement of the elctrons around the nucleus of an atom is called
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The attraction between the nucleus and the valence electrons refers to what?
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The basic structural unit of an element is the
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The combination of two or more atoms is
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The combination of two or more elements is
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The electrons in the outermost shell are called
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The electrons responsible for the physical and chemical properties of an element are
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The electrons are horizontally arranged in the periodic table in what order?
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The number of valence electrons is equal to what of the periodic table?
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The number of valence electrons will tell us what?
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The periodic table arranges the elements according to similar chemical properties. These vertical groupings are called what are these columns called? (2 names)
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The smallest portion of an element that retains all the properties of that element is
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The three names for the electrical charge formed when an atom loses or gains electrons are
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Those elements whose atoms have eight valence electrons or a full outermost shell are the most stable. These elements are known as the
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What determins the atomic number of an element?
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What do the dots stand for in the electron dot structure?
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What does each of the following mean: Cl, Cl2, 2Cl, 2Cl2
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