PERIODIC TABLE QUIZ XI Part III

29.Which of the following electron configurations is correct for chromium, (atomic number 24)?
a.[Ar]3d45s2
b.[Ar]4s24p4
c.[Kr]4d55s1
d.[Ar]3d54s1
e.[Ar]4s14p5
30.Which of the following electron configurations is the ground state for an atom.
a.[Ne]3s23p34s1
b.1s22s22p63s1
c.[Ne]3s23p64f4
d.1s12s1
e.1s22s12p3
31.Which of the following electron configurations is for an atom in the ground state?
a.[Ne]3s23p34s1
b.1s22s22p3
c.1s22s22p43s2
d.[Ne]3s23p64f4
e.1s12s1
32.Which of the following represents an excited state of an atom?
a.[Ne]3s23p64s23d1
b.1s22s22p53s1
c.[Ne]3s23p64s23d8
d.1s22s2
e.[Ne]3s23p64s13d2
33.Which of the following representation of excited states of atoms is impossible?
a.[Ne]3s23p64s13d2
b.[Ne]3s23p34s1
c.[Ne]3s23p64s13d6
d.1s22s22p73s2
e.1s12s1
34.Which of the following representation of excited states of atoms is impossible?
a.[Ne]3s23p64s13d2
b.[Ne]3s23p34s1
c.1s22s22p43s2
d.[Ne]3s23p64s33d2
e.1s12s1
35.Which of the following represents an excited state of an atom?
a.1s22s1
b.[Ne]3s23p64s23d8
c.[Ne]3s23p64s13d2
d.1s22s22p63s1
e.[Ne]3s23p64s23d1
36.In what group would an element of atomic number 115 be placed?
a.IB
b.IA
c.VIII
d.IIIA
e.VA
37.Assuming that elements are formed to complete the seventh period, what would be the atomic number of the alkali metal of the eighth period?
a.87
b.106
c.113
d.119
e.132
38.In what group would an element of atomic number 121 be placed?
a.IB
b.IA
c.VIII
d.VIA
e.IIIB