Which statement best explains how the orbital configuration of neutral atoms is related to the atom's chemical properties?

• A. Chemical properties are determined solely by the number of protons in the nucleus, not by electron configuration.
• B. The orbital configuration only affects the atom's mass, not its chemical properties.
• C. The arrangement of electrons in orbitals determines the number and type of chemical bonds an atom can form.
• D. Atoms with the same orbital configuration always have identical chemical properties, regardless of their element.

Answer: (C)

Verified step by step guidance

1. Understand that the chemical properties of an atom are primarily influenced by its electrons, especially those in the outermost shell, known as valence electrons.
2. Recall that the orbital configuration describes how electrons are distributed among the various atomic orbitals (s, p, d, f) around the nucleus.
3. Recognize that the number and arrangement of valence electrons determine how an atom interacts with other atoms, including the types and numbers of chemical bonds it can form.
4. Note that the number of protons (atomic number) defines the element but does not directly dictate chemical behavior without considering electron arrangement.
5. Conclude that the correct explanation is that the orbital configuration determines the chemical properties because it controls bonding capabilities, not the atom's mass or just the proton count.