quiz 4 sec 2

The five electrons present in the sublevel 3d5 are similar in all the following, except the …….. quantum number

• principal

• subsidiary

• magnetic

• spin

The two opposite figures represent two different sublevels, what is the difference between them?

• subsidiary quantum number

• Distribution of electron density

• Principal quantum number

• Number of orbitals

The electron which has the four quantum numbers:(n=4 , l = 3 , m1 = +2 , ms = +1/2)Is found in the sublevel ………

• 3d

• 4f

• 5p

• 6s

Electron (X) has the following quantum numbers:(n=3 , l=2 , m1 = -1 , ms = +1/2) What are the quantum numbers of the electron (Y) which have the same energy of the electron (X), but it differs from the electron (X) in the spinning motion?

• 3 ,2 , -1 , +1/2

• 3, 1, -1, -1/2

• 3, 2, 0, -1/2

• 2, 1, 0, +1/2

Which of the following is correct when two electrons have the same 𝑙 and 𝑚₁ values?

• They are located in the same sublevel.

• They are located in the same orbital.

• They are located in the same principal level.

• They spin in the same direction.

The electron which has the two quantum numbers,(n=3 , m1 = +2 , ) must have the value ……

• ms = +1/2

• l = 1

• l = 2

• l = 0

What is the maximum number of electrons which have the spin quantum number(ms = +1/2 ) in the sublevel (l=3) ?

• 3 e^-

• 5 e^-

• 7 e^-

• 14 e^-

Which of the following choices becomes saturated by the higher number of electrons?

• One of orbitals

• (3d) sublevel

• principal level (n=2)

• One of orbitals

Which of the following quantum numbers do not include a mistake?

• n = 5 , l = 3 , m1 = -3

• n = 3 , l = 1 , m1 = -2

• n = 4 , l = 0 , m1 = +1

• n = 3 , l = 2 , m1 = -3

What is the relationship between the principal quantum number, 𝑛,and the total number of orbitals?

• 𝑛³

• 𝑛²

• 2𝑛

• 2𝑛+1