Academic Chemistry

1
Electrons in Atoms Unit 11 Review Session
2
Which of the following is a correct atomic
orbital designation? 4f 2d
3
What rule says that within a sublevel (s,p,d,f)
we must put 1 electron into each orbital before
we put 2 electrons into any one orbital?
Hunds Rule
4
Which of the following represents a p atomic
orbital?
5
What atomic model is depicted below and who
developed it?
plum-pudding J.J. Thomson
6
Which of the following electronconfigurations
for Chromium(z24) is correct? 1s22s22p63s23p64
s23d4 1s22s22p63s23p64s13d5
7
How many valence electrons does Aluminum (z13)
have? 1s22s22p63s23p1
3
8
The Aufbau Principal
What principal tells us the order in which to
fill atomic orbitals with electrons?
9
Which of the following orbitalnotations for O
is correct?
1s 2s 2px 2py 2pz
10
In order for electrons to junp from lower energy
sublevels to higher energy sublevels they much
absorb an exact amount of energy called a
___________.
quantum
11
Which of the following electronconfigurations
for Carbon(z6) is correct?
1s 2s 2px 2py 2pz
12
What atomic model is depicted below and who
developed it?
Planetary Model N. Bohr
13
State the Pauli Exclusion Principal.
Only two electrons, at most, with opposite spin
may occupy any one atomic orbital.
14
Which of the following represents a d atomic
orbital?
15
Which of the following is a correct atomic
orbital designation? 3f 5s
16
There are 18 electrons in the principal quantum
level n3. True False
?
17
How many valence electrons does Germanium (z32)
have? Ar3d104s24p2
4
18
Which of the following orbital notations for
Silicon (z14) is correct?
1s 2s 2px 2py 2pz 3s 3px 3py 3pz

19
Which of the following electron configurations
for Ca2 (z20) is correct? 1s22s22p63s23p63d2
1s22s22p63s23p64s2
20
What is the volume of probability where an
electron may be found?
An atomic orbital.
21
Energy __________ in the visible spectrum from
red to violet.
increases
22
Which of the following electron configurations
for Sulfur (z16) is correct?
1s22s22p63s23p34s1 1s22s22p63s23p4
23
There are 6 orbitals in the d-sublevel. True Fals
e
?
24
Which of the following is an electron
configuration for Ar (z18)? 1s22s22p63s23p6
1s22s12p63s23p64s1
25
Which of the following does not represent a p
atomic orbital?
26
The name for the electrons in the outer
electronic-shell of an atom. (These electrons
take part in chemical bonding.
The valence electrons.
27
How many valence electrons does the following
atom have?
Potassium 1s22s22p63s23p64s1 Silicon
1s22s22p63s23p2
28
What noble element would you use to write the
shorthand version of the electron configurations
for the following elements?
Potassium 1s22s22p63s23p64s1 Silicon
1s22s22p63s23p2
Ar 4s1 Ne 3s1 3p2