Atomic structure and Bonding

Elements in same group have same number of ____________________

Each electron in an atom has a unique set of four quantum numbers according to the ____________

• Pauli Exclusion Principle

• Aufbau Principle

• Hund's Rule

• Quantum number

Which of the following are the electronic configuration for Magnesium?

• [Ne] 3s¹

• [Ne] 3s²

• 1s² 2s² 2p⁶ 3s¹

• 1s² 2s² 2p⁶ 3s²

When temperature decreases the density of a liquid ____________

• Increases

• Decreases

• Remains constant

• Becomes zero

Which of the following orbitals do NOT exist?

• 1s

• 2p

• 2d

• 3d

Electronic configuration for Copper?

• 1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁹ 4s²

• 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s¹