What is the molecular polarity of H2 and why? - ProProfs Discuss
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What is the molecular polarity of H2 and why?



A. It is polar, because its charges are distributed asymmetrically and its geometric shape is asymmetrical.
B. It is nonpolar, because its charges are distributed symmetrically and its geometric shape is symmetrical.
C. It is polar, because its charges are distributed symmetrically and its geometric shape is symmetrical.
D. It is nonpolar, because its charges are distributed asymmetrically and its geometric shape is asymmetrical.

This question is part of 4.15 - Molecular Polarity Quiz
Asked by Regentschemistry, Last updated: Mar 30, 2020

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2 Answers

F. Ray

F. Ray, Student, Kansas City

Answered Jan 29, 2019

The correct answer to this question is B. H2 is the molecular formula of Hydrogen, a colorless, odorless, highly flammable gas. One Hydrogen atom has one electron and is the first element on the Periodic Table of Elements. The molecular polarity of H2 is linear and nonpolar.

An H2 molecule is made up of two hydrogen atoms, and they share the same electronegativity (or tendency to attract other electrons). A symmetical molecule looks the same no matter which way you turn it or look at it, hence the name. The symmetry of a molecule affects how it racts to light and other molecules.

 

John Smith

John Smith

Answered Jan 31, 2017

It is nonpolar, because its charges are distributed symmetrically and its geometric shape is symmetrical.

Polar Molecules: 2 or more lines of symmetry when you cut through the middle of the molecule; symmetrical geometric shape and symmetrical distribution of charge! Nonpolar Molecules: Less than 2 lines of symmetry when you cut through the middle of the molecule; asymmetrical geometric shape and asymmetrical distribution of charge!
 

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