chemistry unit 2 part 3B

The maximum number of electrons in a sub shell is given by the expression ________.

• a) 2n²

• b) 2l+1

• c) 4l + 2

• d) none of these

The total number of orbitals associated with the principal quantum number n = 3 is ________.

• a) 9

• b) 8

• c) 5

• d) 7

The number of sub shell in the quantum level n = 3 is ________.

• a) 4

• b) 3

• c) 5

• d) 2

The maximum number of electrons that can be present in an orbit with s = +1/2 and l = 2 is ___________.

• a) 1

• b) 3

• c) 5

• d) 7

Magnetic quantum number is denoted by the letter _________.

• a) Mq

• b) mg

• c) mqn

• d) m_l

_________ quantum number is used to calculate the orbital angular momentum.

• a) Principal

• b) azimuthal

• c) magnetic

• d) spin

Two electrons occupying the same orbital are distinguished by ______ quantum number.

• a) Principal

• b) azimuthal

• c) magnetic

• d) spin

The magnetic quantum number describes the _______.

• a) Number of electrons

• b) spatial orientation of the orbital

• c) shape of the orbital

• d) none of these

There are _______ types of quantum numbers.

• a) 3

• b) 2

• c) 4

• d) 1

The spin quantum number refers to _________.

• a) The direction of electron spin

• b) orientation of orbitals

• c) shape of the orbital

• d) none of these