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30 Cards in this Set
- Front
- Back
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The number of valence electrons for the element Lithium is... |
1 |
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The characteristic ionic charge that Al forms is... |
+3 |
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The name associated with the Fe2+ ion is... |
ferrous |
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The outermost electrons in an atom that are responsible for chemical reactivity and chemical bond formation are known as the... |
Valence electrons |
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Which of the following is an example of an Arrhenius acid?
A. NH3 B. NaOH C. H2SO4 D. CH4 E. N2H4 |
C. H2SO4 |
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Which of the following is an example of a salt (an ionic compound)?
A. KF B. H2O C. H3PO4 D. PH3 E. N2H4 |
A. KF |
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When Cl gains an electron the size of the resulting ion is _________ compared with the origional Cl atom |
Larger |
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Ionic Bonds arise when ______ are exchanged and the resulting ions are mutually attracted. |
electrons |
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What is the geometry if an ammonia molecule, NH3? |
trigonal pyramidal |
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The sharing of 4 electrons between two atoms is equivalent to a _______ bond. |
double |
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The most electronegative element is...? |
Flourine |
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the following chemical reaction, NaOH(aq) +HCl(aq) --> NaCl(aq) +H20(l), is representative to which of the following chemical reactions? |
neutralization |
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The following chemical reaction, 2NaHCO3(s) --> Na2O(s) + CO2(g) + H2O(l), is representative of which of the following reactions? |
decomposition |
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In writing chemical reactions, the symbol "triangle" represents which of the following quantities? |
heat |
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Which of the following pairs of elements would be expected to come together to form an ionic compound?
A. Fr and Na B. Bl and H C. N and O D. Cu and Fe E. Li and Br |
E. Li and Br |
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Molecular Formula |
The actual number of each type of element compromising a compound. |
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Resonance |
This arises when more than one Lewis structure can be drawn for a compound; differing from one another by only in the placement of electrons, and is used to describe the overall electron distribution in the molecule or ion |
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VSEPR Model |
The proposal that takes into account the effects of bonding pair and lone pairs of electrons in determining molecular geometry. |
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Covalent Bond Length |
The average distance between two atoms when sharing pairs of electrons. |
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Bond Polarity |
Arises when electrons are unevenly shared in a covalent bond between two atoms. |
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Give the name/formula for Br. |
Bromine |
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Give the name/formula for O. |
Oxide |
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Give the name/formula for Pb. |
Lead |
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Give the name/formula for Strontium |
Sr |
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Give the name/formula for Iron |
Fe |
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Give the name/formula for H2SO4 |
Sulfuric acid |
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Give the name/formula for NaOH |
Sodium Hydroxide |
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Give the name/formula for Calcium sulfide |
CaS |
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Give the name/formula for Lithium phosphate |
Li3PO4 |
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Give the name/formula for water |
H2O |
