Share Chemistry I - Chapter 8
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When electrons are shared, the attachment between atoms is called a ________ ____.
covalent bond
When a bond breaks, the energy is released. This is called a(n) __________ reaction.
exothermic
When two or more atoms bond by sharing electrons, the product is called a ________.
molecule
One pair of electrons shared between two atoms is called a _____ bond.
sigma
More than one pair of electrons shared between two atoms is called a _____ bond.
pi
________ molecules include elements such as hydrogen, nitrogen, and oxygen.
diatomic
In what form do elements such as hydrogen, nitrogen, and oxygen normally occur?
as single atoms
as molecules containing three atoms
as molecules containing four atoms
as molecules containing two atoms
The ________ the bond, the stronger the bond.
longer
shorter
Adding a pi bond to a sigma bond makes the overall bond between two atoms...
longer
more flexible
shorter
Covalent bonds typically occur between a nonmetal and a ________.
nonmetal
The second element in the formula of a binary compound has the suffix ____.
-ide
The prefix ____ means one.
mono-
The prefix ____ means four.
tetra-
The prefix ____ means nine.
nona-
When naming the first element in a formula, you do not use the prefix _____.
mono-
A ______ acid only contains two elements.
binary
