Question

Describe the structure of a water molecule.

   Describe the structure of a water molecule.

Holt: Modern Chemistry

Holt: Modern Chemistry

Mickey Sarquis,… 1st Edition

Chapter 10, Problem 23

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Solved by Expert Shazia Naz

10/08/2020

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The chemical formula for water is H2O. Show more…

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Describe the structure of a water molecule.

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Key Concepts

Bent Molecular Geometry

Bent molecular geometry refers to a molecular shape where the atoms are arranged in a non-linear fashion, resulting from the repulsion between lone pair electrons and bonding pair electrons on the central atom. This geometry leads to a specific bond angle that is less than 180 degrees.

Molecular Polarity

Molecular polarity arises from the unequal distribution of electrical charge within a molecule, often due to differences in electronegativity between the bonded atoms and the geometry of the molecule. This uneven charge distribution creates a dipole moment, which can significantly affect the molecule's physical properties and interactions.

Covalent Bonding

Covalent bonding involves the sharing of electrons between atoms, allowing them to achieve a more stable electron configuration. In molecules, atoms like oxygen and hydrogen form covalent bonds by sharing electrons, which is fundamental in constructing the molecule’s framework.

VSEPR Theory

The Valence Shell Electron Pair Repulsion (VSEPR) theory is used to predict the shape of molecules based on the repulsion between electron pairs in the valence shell of the central atom. It explains why electron pairs – both bonding and lone pairs – arrange themselves as far apart as possible, influencing the overall molecular geometry.

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