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41 Cards in this Set
- Front
- Back
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A bond that involves transferring electrons from one element to another is called ...
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ionic bond
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A bond that involves sharing of two electrons between two atoms is called...
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covalent bond
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A bond between two metals, whether the same metals or different metals is called....
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metallic bond
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A bond between Hydrogen and either Nitrogen, Oxygen, or Fluorine is....
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Hydrogen bond
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The forces of attraction between two adjacent molecules are known as
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intermolecular forces
weak forces Van der Waals forces |
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Intermolecular refers to...
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between two atoms
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A bond that occurs when a central atoms bonds to every one of its neighbors is...
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network bond
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Carbon in a diamond is a good example of a ____ bond.
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network
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The unusually high boiling point that water has can be explained by ______ bonding
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hydrogen
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When one atom loses an electron an another atom gains it, then an ___ bond has formed.
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ionic
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Substances with ___ bonds are able to conduct electricity as both solid and liquid.
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metallic
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Substances with luster and have the ability to reflect light have ____ bonds.
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metallic
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If a covalent bond has a difference of electronegativity of 0.3 to 1.7, then we say that it is _____ covalent
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polar
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Substances with high melting points that are crystalline and are hard, probablay have ____ bonds.
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ionic
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Substances with low melting points, that are soft and don't typically conduct electricity have ______ bonds
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covalent
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The type of bond in NaCl is...
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ionic bond
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The type of bond in CH₄ is....
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covalent
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Intermolecular forces are also called
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weak or Van der Waals forces
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Four electrons being shared between atoms is called...
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double covalent bond
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Six electrons being shared between atoms is called....
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triple covalent bond
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Bond that typically occurs between a metal and a nonmetal is....
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ionic bond
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Bond that typically occurs between two nonmetal atoms is...
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covalent bond
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If a liquid evaporates very easily at room temperature, what can we conclude about the strength of the bonds holding the molecules together?
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They are weak bonds
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A liquid that evaporates easily is said to be ....
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volatile
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A substance that is _____ sticks to other materials very well.
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adhesive
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A substance that is ____ sticks to molecules identical to itself very well.
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cohesive
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When a substance, like water, beads-up on a surface, instead of laying flat, we can conclude that the intermolecular bonds are fairly....
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strong
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If a liquid on your skin evaporates so quickly that it leaves you very cold, then it probably has somewhat ____ bonds holding it together.
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weak
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Natural Gas, CH₄, is a gas at room temperature, but methanol, CH₃OH, is a liquid at room temperature. What kind of bonding allows this difference?
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hydrogen bonding
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If the electronegativity difference between two nonmetals is very low, then the bond is probably ____ covalent.
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Nonpolar
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A compound with a central atom and four surrounding atoms is likely to have the shape of a ....
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tetrahedral
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A compound with a central atom and three surrounding atoms and one unshared electron pair is likely to have a ______ shape.
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trigonal pyramidal
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A compound with a central atom and two surrounding atoms & two ushared electron pairs is likely to have a ____ shape.
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bent
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VSEPR stands for....
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Valence Shell Electron Pair Repulsion
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The R in VSEPR reminds us that electrons ____ one another.
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repel
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Valence Shell in VSEPR refers to ...
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outermost level electrons
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The EP (electron pair) in VSEPR refers to ____ electrons that are not in a bond between two elements.
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two
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A central atom with one other atom is likely to create a ______ shape.
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linear
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The unshared electron pairs in molecules tends to ____ the electrons of the other atoms attached to the central atom, making them have ____ bond angles..
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repel or push against
smaller |
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A tetrahedral tends to ____ angles than in a trigonal pyramidal structure.
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larger
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The two unshared electron pairs in water tend to push the two _____ atoms to one side making the HOH bond angle much smaller than a similar bond in a tetrahedral
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hydrogen
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