Review Chemical Bonding And Molecular Geometry Page 2
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1
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4Bonding and Molecular Geometry
Directions: Fill in the blank using the following word list.
anion
covalent bond
polyatomic ion
cation
ionization energy
sea of electrons
chemical bond
metal
stable octet
chemical reaction
metallic bond
valence shell
coordinate covalent bond
molecule
ionic bond
noble gas
The force that holds two atoms together is
called a(n) _____(1)______. When atoms
1.
_chemical
bond_______
rearrange to form new combinations, a(n)
______(2)______
has
taken
place.
Such
2.
__chemical
reaction____
changes generally involve electrons in the
highest
principal
energy
level,
or
3.
___valence
shell_______
the______(3)______.
There are several extremely unreactive
4.
____noble
gas________
elements. Each of these is called a(n)
_____(4)______. The atoms of all but the
5.
____stable
octet_______
lightest of these elements have a set of eight
outermost
electrons,
which
form
6.
____ionization
energy___
a(n)_____(5)______.
7.
____ionic
bond________
The amount of energy needed to remove
the most loosely held electron from a neutral
8.
_____cation__________
atom is called its______(6)______. When
electrons are transferred from atom to another,
9.
_____anion__________
a(n) _____(7)______ is formed between the
resulting charged atoms. A positively charged
10.
______metal_________
atom
is
called
a(n)
_____(8)_____.
A
negatively
charged
atom
is
called
a(n)
11.
______metallic________
______(9)______.
12.
__sea of
electrons______
An element that has only one or two
outermost
electrons
is
called
13.
_____covalent_________
a(n)_____(10)_____. The bond that forms
between atoms of such an element is called
14.
_____molecule_________
a(n)_____(11)_____.
Such
bonding
is
characterized by a(n) ______(12)______.
15.
_____polyatomic
ion____
When
atoms
share
electrons,
a(n)
______(13)______ is formed. An uncharged
group of atoms held together in this way is
called a(n) _____(14)______. A group of
chemically bonded atoms that has a charge is
called a(n)______(15)______.
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