COVALENT BONDING REVIEW
1.
How many electrons are shared by a single bond?
2.
What type of elements form covalent bonds?
3.
The type of covalent bonding in which two atoms share their electrons
evenly is described as _____________.
4.
How many electrons are shared by a double bond?
5.
The type of covalent bonding in which two atoms share electrons unevenly
resulting in slightly positive and slightly negative regions of the molecule is
called _______________.
6. A
term that describes an atom's degree of pull for shared electrons is
_______________.
7. A
group of covalently bonded atoms possessing a positive or negative charge is
called a(n) _______________.
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Choose from these*: O2 Cl2 H2O CO2 CH4 NH3 N2
8. has a tetrahedral shape
9. has a triple covalent bond
10. two unshared electron pairs on the central atom results in a
polar molecule with a bent shape
11. no unshared electron pairs on the central atom results in a triatomic linear molecule
12. one unshared electron pair on the central atom results in a trigonal pyramid shape
13. diatomic linear molecule is nonpolar
with a single bond
* one of these
choices is not used