#8 Write the electron configuration
of the following elements
a. Carbon
1s22s22p2
C
#8 Write the electron configuration
of the following elements
b. strontium
1s22s22p23s23p64s23d104p65s2
Sr
#8 Write the electron configuration
of the following elements
c. Vanadium
1s22s22p23s23p64s23d3
V
#9 List the symbols for all the elements whose
electron configuration ends as follows:
Each n represents an energy level.
a. ns2np1
B
Al
Ga
In
Tl
1
2
3 4 5
#9 List the symbols for all the elements whose
electron configuration ends as follows:
Each n represents an energy level.
b. ns2np5
F
Cl
Br
I
At
1
2
3 4 5
#9 List the symbols for all the elements whose
electron configuration ends as follows:
Each n represents an energy level.
c. (n+1)s2nd2
Ti
Zr
Hf
Rf
1
1
2 3 4
5 6 7 8 9 10
2
3 4 5
#10 What information can be included in a periodic
table?
Answer: All kinds of data about the nature
and properties of the elements and their
relationship to one another. The major trends
in elements can be predicted because of the
order inherent in the table.
#11 Into what four classes can elements
be sorted based on their electron configuration?
And Noble Gases
#12 Why do the elements potassium and sodium
have similar chemical properties?
High Energy s orbital
ONE electron
#13 Classify each element as a representative
element, transition metal, or noble gas.
1s22s22p63s23p64s23d104p6
#13 Classify each element as a representative
element, transition metal, or noble gas.
1s22s22p63s23p64s23d6
#13 Classify each element as a representative
element, transition metal, or noble gas.
1s22s22p63s23p2
#14 Which of the following elements are
transition metals?
Cu
Sr
Cd
Au
Al
Ge
Co
http://wps.prenhall.com/wps/media/objects/476/488316/ch09.html
#15 How many electrons are in the highest
occupied energy levels of a Group 5A element?
ns2np3 Therefore they all have 5
electrons in the highest
energy level