Electron Configuration and Orbital Notation Quiz

What is the first step in determining the electron configuration for chromium?

• Find the atomic mass

• Determine the number of electrons

• Locate the element in the periodic table

• Identify the number of protons

Which energy levels are involved in the electron configuration of chromium?

• 1, 2, 3, 4

• 2, 3, 4, 5

• 3, 4, 5, 6

• 1, 3, 5, 7

What is unique about the electron configuration of chromium compared to other elements?

• It has more electrons in the s orbital

• It has an electron jump from 4s to 3d

• It lacks p orbitals

• It has a completely filled d orbital

According to Hund's rule, how are electrons distributed in orbitals?

• Electrons fill the highest energy orbitals first

• Electrons fill each orbital singly before pairing

• Electrons pair up in orbitals before moving to the next

• Electrons fill the lowest energy orbitals first

What is the correct electron configuration for chromium?

• 1s2 2s2 2p6 3s2 3p6 4s2 3d6

• 1s2 2s2 2p6 3s2 3p6 4s2 3d4

• 1s2 2s2 2p6 3s2 3p6 4s1 3d5

• 1s2 2s2 2p6 3s2 3p6 4s2 3d5