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37 Cards in this Set
- Front
- Back
Covalent compounds are formed when a _____ bonds with one or more _____. |
nonmetal
nonmetals |
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_____, although a metal, will form covalent bonds with nonmetals.
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Hydrogen
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The first name of a covalent compound is the name of the _____ _____ in the compound.
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first element
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With covalent compounds, when are numerical prefixes used for the first name of the element?
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only if there are two or more atoms of that element in the compound
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The last name of a covalent compound is the name of the _____ _____ and ends in the letters _____.
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second element
ide |
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Name the prefixes for the first names of covalent compounds that are used for the numbers 1 -10.
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1 = NOT USED
2 = di 3 = tri 4 = tetra 5 = penta 6 = hexa 7 = hepta 8 = octa 9 = nona 10 = deca |
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Name the prefixes for the last names of covalent compounds that are used for the numbers 1 -10.
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1 = mono
2 = di 3 = tri 4 = tetra 5 = penta 6 = hexa 7 = hepta 8 = octa 9 = nona 10 = deca |
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Name the compound.
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Nitrogen Monosulfide
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Name the compound.
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Nitrogen Disulfide
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Name the compound.
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Dinitrogen Monosulfide
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Name the compound.
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Dinitrogen Trisulfide
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Name the compound.
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Dinitrogen Tetrasulfide
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Name the compound.
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Dinitrogen Pentasulfide
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Name the compound.
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Nitrogen Monoxide
Last syllable of the prefix (mono, di, tri, etc.) is dropped only with oxides |
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Name the compound.
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Nitrogen Dioxide
Last syllable of the prefix (mono, di, tri, etc.) is dropped only with oxides |
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Name the compound.
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Dinitrogen Monoxide
Last syllable of the prefix (mono, di, tri, etc.) is dropped only with oxides |
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Name the compound.
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Dinitrogen Trioxide
Last syllable of the prefix (mono, di, tri, etc.) is dropped only with oxides |
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Name the compound.
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Dinitrogen Tetroxide
Last syllable of the prefix (mono, di, tri, etc.) is dropped only with oxides |
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Name the compound.
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Dinitrogen Pentroxide
Last syllable of the prefix (mono, di, tri, etc.) is dropped only with oxides |
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What is the chemical formula for water?
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see the picture
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What is the chemical formula for ammonia?
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see the picture
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What is the chemical formula for phosphine?
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see the picture
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What is the chemical formula for methane?
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see the picture
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Name the compound.
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Water
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Name the compound.
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Ammonia
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Name the compound.
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Phosphine
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Name the compound.
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Methane
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_____ _____ _____ are the structures of covalent molecules or polyatomic ions that show the arrangements of the electrons around each atom.
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Lewis Dot Structures
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What is the Lewis Dot Structure of hydrogen?
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see the picture
Note: The lone electron can be on any of the four sides of the hydrogen atom. |
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Give the Lewis Dot Structure for oxygen.
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see the picture
Note: Any two sides may have the single electrons, and any two sides can have the pairs. |
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Give the Lewis Dot Structure for phosphorus?
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see the picture
Note: Any three sides can have single electrons, and any side can have a pair of electrons. |
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Give the Lewis Dot Structure for chlorine.
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see the picture
Note: Any three of the sides can have pairs of electrons, and any one side can have a single electron. |
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Decide whether the following are acceptable Lewis Dot Structures for phosphorus.
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A - Incorrect. No side can have a second electron unless all sides have at least one.
B - Correct. C - Incorrect. No side can have a second electron unless all sides have at least one. D - Incorrect. Phosphorus has 5 valence electrons (not 6). |
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Decide whether the following are acceptable Lewis Dot Structures for hydrogen.
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All are acceptable. Hydrogen has one electron, and it can be placed on any of the four sides.
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Decide whether the following are acceptable Lewis Dot Structures for oxygen.
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A - Incorrect. Oxygen has 6 valence electrons (not 5).
B - Incorrect. No side can have a 2nd electron until all sides have at least one. C - Incorrect. Oxygen has 6 valence electrons (not 7). D - Incorrect. No side can have 3 electrons. |
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Decide whether the following are acceptable Lewis Dot Structures for chlorine.
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A - Incorrect. Chlorine has 7 valence electrons (not 6).
B - Incorrect. Chlorine has 7 valence electrons (not 8). C - Correct D - Correct |
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Name the six steps to determine how to make the Lewis Dot Structure for a compound?
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see the picture
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