Molecules & Molecular Compounds
The Nature of Covalent Bonding
Single, Double, Triple Bonds
VSEPR Theory
Miscellaneous
100
These are the only types of atoms that exist as single atoms in nature.
What are the noble gases?
100
The single dash in a structural formula represents this.
What is a pair of shared electrons?
100
Hydrogen gas's structural formula looks like this.
What is H-H?
100
Linear molecules have electrons that are this many degrees apart.
What is 180?
100
Carbon has this many valence electrons.
What is four?
200
Hydrogen and the halogens (group 7A) exist as these type of molecules.
What are diatomic molecules?
200
In a single covalent bond, this many electrons are shared.
What is two?
200
Carbon tetrachloride's (CCl4) structural formula looks like this.
What is ... (see the board)
200
When three atoms are joined to a central atom with no unshared electrons, the molecule usually takes this shape.
What is trigonal planar?
200
Methane (CH4) contains this many pairs of unshared electrons.
What is zero?
300
Compared to ionic compounds, the boiling and melting points of molecular compounds are...
What is lower?
300
In forming covalent bonds, electron sharing usually occurs so that atoms attain the electron configuration of these.
What are noble gases?
300
Hydrogen peroxide (H202) contains single covalent bonds and looks like this.
What is ... (see board)
300
VSEPR is short for...
What is valence shell electron pair repulsion.
300
These are two diatomic molecules found in Earth's atmosphere.
What are oxygen and nitrogen?
400
Ionic compounds are composed of a metal and a nonmetal, while molecular compounds are composed of these.
What are nonmetals?
400
In a double covalent bond, this many electrons are shared.
What is 4?
400
Carbon dioxide (CO2) is a molecule containing two double bonds. This is its structural formula:
What is .... (see the board)
400
This is the force that causes molecules to attain predictable shapes.
What is repulsion?
400
Molecular compounds are usually in these two states of matter.
What are liquid and gas?
500
A molecular formula gives you these two pieces of information.
What are type types of atoms and how many of each.
500
A pair of valence electrons that is not shared between atoms is called this.
What is an unshared pair?
500
Nitrogen gas is an example of a molecule containing a triple bond. This is how it looks.
What is .... (check the board)
500
This shape forms when three atoms are bonded to a central atom with a pair of unshared electrons left over.
What is trigonal pyramidal?
500
There are this many unshared pairs of electrons in a molecule of water.
What is two?
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