(b) With what allotrope of oxygen is it isoelectronic?

검증된 단계별 안내

Understand the term 'isoelectronic': Two species are isoelectronic if they have the same number of electrons.

Identify the allotropes of oxygen: The common allotropes are O2 (dioxygen) and O3 (ozone).

Determine the number of electrons in each oxygen allotrope: O2 has 16 electrons (8 from each oxygen atom) and O3 has 24 electrons (8 from each oxygen atom).

Compare the number of electrons in the given species with the number of electrons in each oxygen allotrope to find which one is isoelectronic.

Conclude which allotrope of oxygen has the same number of electrons as the given species.

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주요 개념

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Isoelectronic Species

Isoelectronic species are atoms, ions, or molecules that have the same number of electrons and, therefore, the same electronic structure. This concept is crucial for comparing different elements or compounds, as it helps predict their chemical behavior and properties based on their electron configurations.

Allotropes of Oxygen

Allotropes are different forms of the same element that exist in the same physical state but have different structures and properties. Oxygen has several allotropes, including dioxygen (O2) and ozone (O3), which exhibit distinct chemical and physical characteristics despite being composed of the same type of atoms.

Electron Configuration

Electron configuration describes the distribution of electrons in an atom's orbitals. Understanding electron configuration is essential for determining the chemical properties of an element, including its reactivity and how it interacts with other elements, which is particularly relevant when identifying isoelectronic species.

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교과서 질문

Consider the formate ion, HCO₂^-, which is the anion formed when formic acid loses an H⁺ ion. The H and the two O atoms are bonded to the central C atom. (c) Would you predict that the C—O bond lengths in the formate ion would be longer or shorter relative to those in CO₂?

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교과서 질문

Which one of these statements about formal charge is true? (a) Formal charge is the same as oxidation number. (b) To draw the best Lewis structure, you should minimize formal charge. (c) Formal charge takes into account the different electronegativities of the atoms in a molecule. (d) Formal charge is most useful for ionic compounds. (e) Formal charge is used in calculating the dipole moment of a diatomic molecule.

1355

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교과서 질문

For each of the following molecules or ions of sulfur and oxygen, write a single Lewis structure that obeys the octet rule, and calculate the oxidation numbers and formal charges on all the atoms: (a) SO₂ Write a single Lewis structure that obeys the octet rule for SO₂ and assign the formal charges on all the atoms. (b) SO₃ Write a single Lewis structure that obeys the octet rule for SO₃ and assign the formal charges on all the atoms. (c) SO₃^2- Write a single Lewis structure that obeys the octet rule for SO₃^2- and assign the formal charges on all the atoms.

573

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교과서 질문

Consider the formate ion, HCO₂^-, which is the anion formed when formic acid loses an H⁺ ion. The H and the two O atoms are bonded to the central C atom. (b) Are resonance structures needed to describe the structure?

1830

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