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Formation of ions Transitional Reasoning Practice

Chemistry · Chemical Bonding & Molecular Structure · Chemistry · Ionic Bonding

1 Chemistry practice questions on Formation of ions. Questions that build towards applied reasoning.

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Questions

  1. 1.

    A student investigates the ion formation of two neutral main-group atoms: atom X with atomic number 12 and atom Y with atomic number 16. During chemical reactions, both atoms achieve a stable octet electron configuration by forming their common monatomic ions. Based on the principles of subatomic particle behavior during ion formation, which of the following statements is correct?

    • A) Atom X gains two protons in its nucleus, forming a cation with a 2+2+ charge and 14 positive subatomic particles.
    • B) Atom Y loses six valence electrons to achieve an octet, resulting in an anion with ten electrons.
    • C) The stable ions formed by atom X and atom Y are isoelectronic because both transfer two electrons during ion formation.
    • D) Atom X loses two electrons to form a cation with a 2+2+ charge, while atom Y gains two electrons to form an anion with a 2−2- charge, leaving both with unchanged nuclear charges.

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