Transcript 30-39

p-orbitals
S-orbitals
#30 How many electrons are in the highest occupied energy level of these atoms:
Barium
2 electrons are in the 6th level
Sodium
1 electrons are in the 3th level
Aluminum
3 electrons are in the 3th level
Oxygen
6 electrons are in the 2nd leve
#31
aufbau principle
Pauli exclusion principle
Hund’s rule
#32
Write the electron configurations for
the elements that are identified only by
these atomic numbers.
15:
2
2
6
2
3
1s 2s 2p 3s 3p
phosphorous
#32
Write the electron configurations for
the elements that are identified only by
these atomic numbers.
12:
2
2
6
2
1s 2s 2p 3s
Magnesium
#32
Write the electron configurations for
the elements that are identified only by
these atomic numbers.
9:
2
2
5
1s 2s 2p
fluorine
#32
Write the electron configurations for
the elements that are identified only by
these atomic numbers.
18:
2
2
6
2
6
1s 2s 2p 3s 3p
argon
#33 What is meant by 3p3?
3p3
#34 Give electron configurations for atoms
of these elements:
Na =11
1s22s22p63s1
#34 Give electron configurations for atoms
of these elements:
S=16
1s22s22p63s23p4
#34 Give electron configurations for atoms
of these elements:
Mg = 12
1s22s22p63s2
#34 Give electron configurations for atoms
of these elements:
Ne=10
1s22s22p6
#34 Give electron configurations for atoms
of these elements:
K=19
1s22s22p63s23p64s1
#35 Which of these orbital
designations are invalid?
a. 4s
b. 3f
c. 2d
d. 3d
#36 What is the maximum number of
electrons that can go into each of the
following sublevels?
a. 2s
b. 3p
c. 4s
d. 3d
#36
e. 4p
f. 5s
g. 4f
h. 5p
#37 Arrange the following sublevels in
order of increasing energy:
3d, 2s, 4s, 3p
2s
3p
4s
3d
#38 How many electrons are in the
second energy level of an atom of
each element?
a. chlorine
1s22s22p63s23p5
b. phosphorous
1s22s22p63s23p3
c. potassium
1s22s22p63s23p64s1
#39 Write electron configuations for
atoms of these elements:
1s22s22p63s23p64s23d10
a. selenium 4
4p
34
b. vanadium
c. nickel
d. calcium
1s22s22p63s23p64s23d3
1s22s22p63s23p64s23d8
1s22s22p63s23p64s2