what is the value of ml in the 4d orbital?       what is the value of ms in the 4d orbital?

2. How many orbitals are in the n = 4 shell? 1 4 9 16

• identify an orbital (as 1s, 3p, etc.) from its quantum numbers, or vice versa.

1. Which of the following is not a correct representation of an orbital? 3s 3p 3d 3f

What type of electron orbital (i.e., s, p, d, or f) is designated by an electron with quantum numbers (a) n=1,l=0,m l =0(b) n=3,l=2,m l =1? (c) n=4,l=3,m l =3

What is the number of different orbitals in each of the following subshells? a 3d b 4f c 4p d 5s

• sketch the shapes of s and p orbitals and recognize orbitals by their shapes.

Which of the following sets of quantum numbers correctly represents a 4p orbital? (a) n = 4, = 0, m = 1 (b) n = 4, = 1, m = 0 (c) n = 4, = 2, m = 1 (d) n = 4, = 1, m =2

6.96 When a helium atom absorbs light at 58.44 nm, an electron is promoted from the 1s orbital to a 2p orbital. Given that the ionization energy of (ground state) helium is 2372 kJ/ mol, find the longest wavelength of light that could eject an electron from the excited state helium atom.

How many electrons in an atom can have the following quantum designation? (a) 1s (b) 4d, m l =0(c) n=5,l=2