Quantum Numbers and Electron Configuration

Emma is organizing her collection of books on a shelf. The complete arrangement of books in a specific order is similar to an atom’s __.

• electron configuration

• valence

• atomic number

• isotope

Oliver is learning about different types of orbitals in his chemistry class. He wants to know which type of orbital has a spherical shape. Can you help him?

• d

• p

• s

• f

Benjamin is learning about atoms in his chemistry class. He discovers that the outermost electrons in an atom, which are involved in chemical reactions, are called __ electrons.

• core

• valence

• bonding

• free

Lucas is learning about the periodic table. He wants to know which element has a complete outer shell with 8 electrons. Which element is he referring to?

• Helium

• Neon

• Oxygen

• Carbon

Luna is organizing her bookshelf. She decides that each shelf should have one book before any shelf gets a second book. Which of the following rules is Luna following?

• Hund's rule

• aufbau principle

• Pauli exclusion principle

• Lewis rule

Amelia is arranging her collection of paintings in a gallery. She ensures that each wall has one painting before any wall gets a second painting. Which rule is she following?

• Pauli exclusion principle

• aufbau principle

• Hund's rule

• Lewis rule

Lily is organizing her bookshelf and wants to know the order in which to place her books based on their genres. Which of the following principles is similar to the order in which subshells fill with electrons?

• Hund's rule

• aufbau principle

• Pauli exclusion principle

• Lewis rule

In a classroom, Benjamin and Ethan are arranging books on a shelf. They decide that no two books can have the same position, similar to how no two electrons in an atom can have the same four quantum numbers. Which principle are they following?

• Hund's rule

• aufbau principle

• Pauli exclusion principle

• Lewis rule

Noah is studying the element arsenic in his chemistry class. He learns that arsenic has the Lewis symbol ·As··: ; how many electrons are in arsenic’s outermost shell?

• 3

• 5

• 7

• 8

Charlotte is setting up a new telescope and needs to adjust it to focus on different stars. Which quantum number would help her describe the orientation of an orbital in space?

• principal quantum number (n)

• spin quantum number (m_s)

• subshell quantum number (l)

• magnetic quantum number (m_l)