Final Review Warm Up 1
How many electrons are in the outer shell (energy level) of Selenium?
In what sublevels would you expect to find the electrons?
How many of the valence electrons are in the p sublevel?
How many of the valence electrons are in the s sublevel?
When forming an ion Se would _______(gain/lose) _____ (1,2,3,4) electrons to attain the same configuration as the nearest____________________.
If selenium were to contribute electrons to a chemical reaction, what are two possible positive oxidation states of selenium?
Final Review Warm Up 2
List the battleship configuration / valence configuration for each of the following:
Sr W Sn
In what “sublevel” block is each of the above elements located?
Final Review Warm Up 3
Write an equation that shows two molecules of hydrogen reacting with 1 molecule of oxygen to produce two molecules of water.
If 8 molecules of hydrogen react, how many molecules of oxygen will be required to consume the hydrogen, and how many molecules of water will be produced?
Final Review Warm Up 4
How many valence electrons are present in each of the following?
Rb Ga S Cl
Which of the above has the most electrons in the valence p sublevel?

Final Review Warm Up 5
If F changes to O during a nuclear reaction, what happens to the number of protons in the nucleus?
If the mass doesn’t change during the above reaction, write the appropriate nuclear notation.
Final Review Warm Up 6
Which of the following notations would best describe salt that is dissolved in water? Which is a homogeneous mixture?
NaCl
(s)
NaCl
(aq)
NaCl
(g)
NaCl
(l)
Which of the following would not only dissolve, but separate into individual ions when placed in water?
CO
2
NO
2
MgCl
2
SO
2
Final Review Warm Up 7
What part of the atom is most involved in the producing the light given off by Neon Lights?
Physically, what happens that causes Neon lights to give off light?
Final Review Warm Up 8
Which of the following elements needs to gain one electron in order to have the same electron configuration as a noble gas?
O Sc F S
Which of the following will need to exist as a +1 ion when it has a noble gas configuration?
K Mg Cl S

Final Review Warm Up 9
Write electron configurations for Cu, Fe, Cr, Ni, and Co.
What do each of these atoms have in common?
How would the electron configurations change during the formation of +2 cations? +3 cations?
What color is each of the cations in solution?
What generalization might we be able to make about the electron configurations of elements that form colored compounds?
Final Review Warm Up 10
Which of the following atoms has the largest radius? Li, Na, K, Rb, Cs
Which of the above would be most likely to lose an electron?
Which of the above would be most chemically active?
Which of the following atoms has the smallest radius? F, Cl, Br, I
Which of the above would be most likely to gain an electron?
Which of the above would be most chemically active?
On the periodic table, where do you find the most active metals?
On the periodic table, where do you find the most active nonmetals?
Why is He not the most active nonmetal?
Final Review Warm Up 11
Assume that element A is a Square and that element B is a circle.
Draw a picture that would represent a 6 atom sample of element A.
Assume that B is diatomic and draw a three molecule sample of element B.
Draw a picture that would represent a mixture of 6 atoms of A and 3 molecules of B.
Assume that A and B can react to form a compound, AB. Draw six formula units of the compound.
Final Review Warm Up 12
Assume that a compound forms between sodium and nitrogen. What is the ratio between the atoms in each formula unit?
What is the ratio of atoms in a formula unit of magnesium arsenide?
What is the ratio of atoms in a formula unit of aluminum oxide?
What is the ratio of atoms in a formula unit of aluminum chloride?

Final Review Warm Up 13
How many centimeters are in 5 km?
How many centimeters are in 3 km?
How many km are in 1500000 cm?
Final Review Warm Up 14
A graduated cylinder contains 45 ml of water. When a 5.0 gram piece of metal is placed into the water, the level rises to 47 ml. What is the density of the metal?