CREATE A CONCEPT MAP FROM THIS PASSAGE: In this article, we will discuss polyatomic ions. The prefix poly- means many, so a polyatomic ion is an ion that contains more than one atom. This differentiates polyatomic ions from monatomic ions, which contain only one atom. Examples of monatomic ions include Na¹, Fe³, Cl¹ and many, many others. We can think about polyatomic ions by comparing them to monatomic ions. A monatomic ion is an atom that has been ionized by gaining or losing electrons. The ion has a net charge because the total number of electrons is not balanced by the total number of protons in the nucleus. Thus, compared to the neutral atom, we have extra electrons-in the case of a negatively charged anion-or not enough electrons-in the case of a positively charged cation. Similarly, we can think of a polyatomic ion as a molecule that has been ionized by gaining or losing electrons. In a polyatomic ion, the group of covalently bonded atoms carries a net charge because the total number of electrons in the molecule is not equal to the total number of protons in the molecule. Examples of polyatomic ions include NH₂, CO², PO³, and many others.
CREATE A CONCEPT MAP FROM THIS PASSAGE: In this article, we will discuss polyatomic ions. The prefix poly- means many, so a polyatomic ion is an ion that contains more than one atom. This differentiates polyatomic ions from monatomic ions, which contain only one atom. Examples of monatomic ions include Na¹, Fe³, Cl¹ and many, many others. We can think about polyatomic ions by comparing them to monatomic ions. A monatomic ion is an atom that has been ionized by gaining or losing electrons. The ion has a net charge because the total number of electrons is not balanced by the total number of protons in the nucleus. Thus, compared to the neutral atom, we have extra electrons-in the case of a negatively charged anion-or not enough electrons-in the case of a positively charged cation. Similarly, we can think of a polyatomic ion as a molecule that has been ionized by gaining or losing electrons. In a polyatomic ion, the group of covalently bonded atoms carries a net charge because the total number of electrons in the molecule is not equal to the total number of protons in the molecule. Examples of polyatomic ions include NH₂, CO², PO³, and many others.
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter2: Chemical Compounds
Section: Chapter Questions
Problem 143QRT: The present average concentration (mass percent) of magnesium ions in seawater is 0.13%. A chemistry...
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* Read the passage provided.
* Annotate key words and phrases pertaining to monatomic/polyatomic ions in an effort to compare/contrast them.
* Create a concept map from the text to show relationships, as you understand them, among the key words and phrases related to this topic.
Transcribed Image Text:CREATE A CONCEPT MAP FROM THIS PASSAGE:
In this article, we will discuss polyatomic ions. The prefix
poly- means many, so a polyatomic ion is an ion that contains
more than one atom. This differentiates polyatomic ions from
monatomic ions, which contain only one atom. Examples of
monatomic ions include Na¹, Fe³, Cl¹ and many, many others.
We can think about polyatomic ions by comparing them to
monatomic ions. A monatomic ion is an atom that has been ionized
by gaining or losing electrons. The ion has a net charge because
the total number of electrons is not balanced by the total number
of protons in the nucleus. Thus, compared to the neutral atom, we
have extra electrons-in the case of a negatively charged anion-or
not enough electrons-in the case of a positively charged cation.
Similarly, we can think of a polyatomic ion as a molecule that has
been ionized by gaining or losing electrons. In a polyatomic ion,
the group of covalently bonded atoms carries a net charge
because the total number of electrons in the molecule is not equal
to the total number of protons in the molecule. Examples of
polyatomic ions include NH₂, CO², PO³, and many others.
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