Electron configuration

2.4 Electron configuration

30 August 2022​

Multiple Choice

What is incorrect about this orbital diagram?

• Both arrows in the 2p box should be pointing up

• There is nothing incorrect with this diagram

• In the there should only be 1 orbital in the first 2p box and one in the 2nd 2p box

• All the arrows should be pointing up.

Multiple Choice

Which orbital diagram violates Hund's rule?

• A

• B

• C

• D

Multiple Choice

What atom matches this electron configuration?

1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• Zinc (Z = 30)

• Copper (Z = 29)

• Nickel (Z = 28)

• Germanium (Z =32)

Poll

There are 4 different types of subshells s,p,d,f

• TRUE

• FALSE

• NOT SURE

• I DONT HAVE ANY CLUE AT ALL

Multiple Select

Which of the following is an electron configuration? 

• 2.8.1

• 1s2 2s2 2p6 3s1

• ↑↓ ↑↓ ↑↓ ↑↓ ↑↓ ↑

  1s 2s 2p 3s

Multiple Choice

What element has the electron configuration 

$$1s^22s^22p^3$$  

• Nitrogen (Z=7)

• Oxygen (Z =8)

• Magnessium (Z =12)

• Carbon (Z = 6)

Multiple Choice

 Each orbital can hold a maximum of ______ electrons.

• 1

• 2

• 6

• 10

Multiple Choice

The p-subshell can accommodate a maximum of __________ electrons.  

• 2

• 3

• 6

• 10

Multiple Choice

The word Aufbau means building up in German.

The Aufbau Principle describes that_________

•  electrons with the same spin cannot occupy the same orbital. 

• Since electrons repel each other, electrons will occupy single orbitals within  and energy level before doubling up. 

•  electrons fill lower energy levels first before occupying higher energy levels.

• electrons are always at the lowest energy level if not excited. 

Multiple Choice

"No two electrons in an atom can have the same four quantum numbers" is

a rule called _________.

• Hund's rule.

• the Pauli exclusion principle.

• Bohr's equation

• Aufbau principle

Multiple Choice

The lowest energy is reached for degenerate orbitals when the number of electrons with the same  spin is maximized. TThis statement describes __________.

• Pauli Exclusion Principle 

• Hund’s Rule

• Heisenberg Uncertainty Principle 

• Aufbau principle

Multiple Choice

What is the use of this chart?

• To fill electrons at excited state

• To list the atomic orbitals in the order of decreasing energy.

• To apply Pauli exclusion principle

• To list the atomic orbitals in the order of increasing energy.

Multiple Choice

Which rule is violated in this orbital diagram?

• Aufbau principle

• Hund's rule

• Pauli exclusion principle

Multiple Choice

Which rule is violated in this orbital diagram?

• Aufbau principle

• Hund's rule

• Pauli exclusion principle

Multiple Choice

Which rule is violated in this orbital diagram?

• Aufbau principle

• Hund's rule

• Pauli exclusion principle