Bell-Ringer
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Please put your homework on the left
corner of your desk
Get a board, marker/chalk, and a
wipey thing
Take out your Reference Tables and
prepare for review
Your test will be NEXT CLASS
The formula H2 represents
1.
2.
3.
4.
One liter
One atom
One molecule
One gram
The empirical formula for C8H16O8 is
1.
2.
3.
4.
CH2O
C2H4O2
8 Carbon, 16 Hydrogen, 8 Oxygen
CH4O
What is the chemical name for KNO3?
What is the molecular formula for
Calcium Iodide?
Ca I2
What is the molecular formula for
Iron III Iodide?
Fe I3
Which of the following elements has
the lowest electronegativity?
1.
2.
3.
4.
Oxygen
Nitrogen
Carbon
Fluorine
What is the definition of
Electronegativity?
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The amount of energy needed to remove the
outermost electrons from an atom
If the electronegativity difference
within NaX is 3.1, the element
represented by X is
Cl
2. Br
3. I
4. F
1.
Which symbol represents a molecule at
STP?
Kr
2. N
3. Br
4. H
1.
What type of bond does this show?
Energy is released when the atoms of
two elements bond to form a
compound. Compared to the Potential
Energy before bonding, what is the
potential energy of the atoms after
bonding.
What type of bond does this show?
Which of the following pairs of atoms
forms the most stable compound?
Li and Br
2. Li and Cl
3. Li and I
4. Li and F
1.
What type of bond does this show?
Is this molecule (CO2)
1.
2.
3.
4.
Linear
Bent
Pyramidal
Tetrahedral
Is this molecule (CO2)
1.
2.
3.
4.
Polar
Non-polar
Anti-polar
Who
knows?
Is this molecule (H2O)
1.
2.
3.
4.
Linear
Bent
Pyramidal
Tetrahedral
Is this molecule (H2O)
1.
2.
3.
4.
Polar
Non-polar
Anti-polar
Who knows?
Draw a beaker of water
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Show the molecular structure of
water
Label the TWO different types of
bonds
DO NOT ERASE IT
Add NaCl to your Beaker
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Show two new types of bond that are now
present
Which bond has the greatest degree of
ionic character?
1.
2.
3.
4.
I-Cl
H-Cl
KCl
Cl-Cl
Which molecule is a dipole?
1.
2.
3.
4.
N2
CH4
H2
H2O
Draw the Lewis Dot Structure for
water?
What is a similiarity and a difference
between diamond and graphite
Both are network Solids
Covalent bonds, High B.P., hard, nonconductor
Different structure, properties
When sodium reacts with chlorine,
which element looses electrons?
Give a correct example of a compound
with both ionic and covalent bonds
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Any polyatomic ion combining with
a metal
CoPO4
Na2SO4
Ca(OH)2
NH4ClO2
Draw four molecules of potassium,
behaving as they would in a metallic
bond
What is VanderWaals force?
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A weak force of attraction that occurs due to
size
Why does Radon have the highest
boiling point of the Nobel gasses?
VanderWaals forces
What are the characteristics of
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Ionic solids
Covalent solids
Metallic Solids
VanderWaals forces
Name all the elements that are
diatomic
H2
N2 O2 F2
Cl2
Br2
I2
At2
That is the end of review
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Tally your points and receive your prize