QUANTUM NUMBERS

Which of the following quantum numbers can distinguish between two electrons present in the same orbital?

• Azimuthal

• Principal

• Magnetic

• Spin

The principle quantum number, n, represents the:

• spin value

• suborbital value

• energy level

• magnetic value

Which values can (n) be?

• only 0

• 0, 1, 2, 3...

• 1,2,3,4...

• -2 < n < +2

N=5 l=2

• 3s

• 4sp

• 5d

• 5p

How many orbitals can have the following quantum numbers, n = 3, l = 1, m_l = 0?

• 4

• 2

• 1

• 3

Which set of quantum numbers is not possible?

• n=1, l=0,ml=0,ms=0

• n=1, l=0,ml=0,ms=+1/2

• n=2, l=1,ml=1,ms=+1/2

• n=3, l=2,ml=1,ms=-1/2

What is the maximum number of electrons, which can have following quantum numbers, n = 3, l = 1, m = -1?

• 2

• 6

• 10

• 4

Which set of quantum numbers is possible?

• n=2, l=3, ml=-1, ms=1/2

• n=4, l=2, ml=0, ms=-1/2

• n=1, l=0, ml=1, ms=1/2

• n=3, l=1, ml=2, ms=2

The maximum number of orbitals present in a subshell can be represented by

• 2l+1

• 4l+2

• 4l-2

Which of the following quantum numbers tells the three-dimensional shape of an atomic orbital?

• Principal

• Azimuthal

• Magnetic

• Spin