Chemistry
Elements and Compounds
Atoms and Atomic Structure

How is an ion different from its parent atom?

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2008-12-18 06:10:18
2008-12-18 06:10:18

Atoms depend on the number and configuration of its electrons, therefore they (atoms & ions) have different chemical properties.

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Related Questions


An ion has the same number of neutrons and protons as its parent atom.

We are working on this in Physical Science class. A negative ion is larger then its parent atom. A positive ion is smaller then its parent atom. =]

Because it has a different number of electrons.

A negative ion is larger than its parent atom because of its additional electron(s).

Larger because a negative ion contains more electrons than its parent atom therefore it is larger. A positive ion would be smaller because it has less electrons than its parent atom.

A positive ion, or cation, is smaller than its parent atom. Cations have electrons in a lower valence shell than their parent atom and have a higher effective nuclear charge.

A positive ion is smaller than the parent atom.

A negative ion would be considered larger than its parent atom. This is because electrons have mass, which makes the ions gain mass to outgrow their parent atoms.

A positive ion is smaller than its neutral atom.

It varies but in general, a negative ion is always larger than its parent atom.

An ion of sodium is a charged atom of sodium. An atom need not be charged.

An ion is an atom that has a charge, positive or negative, due to the addition or subtraction of electrons. This means that the electron configuration of an ion is different than that of its parent atom. Remember that properties of elements are largely dependent on their electron configurations because it is the electrons that participate in chemical reactions and determine elements' reactivities. Therefore if the electron configuration of an atom changes, so do its chemical properties.

All anions are larger than the parent ion

An atom that has gained one or more electrons, becoming a negative ion, is larger than its parent atom.

anion is always larger than its parent atom

no, the negative ion has larger size that the parent atom ; due to gaining more electron(s)

In an atom the number of protons and electrons is the same. In an ion the numbers are different, resulting in a net charge.

An ion is different from its parent atom in the differing number of electrons. As the number of electrons goes up, the charge becomes more negative. Correspondingly, as the atom loses electrons, the net charge goes positive.

Only the anion is greater than the atom because gained an electron.

It has a different number of electrons than its parent and the number of electrons determines the properties

A positive ion is smaller than its parent atom because it has less electrons than its parent atom. The reduced number of electrons are then pulled more tightly to the positive nucleus because the number of protons remains the same, and these now exceed the electrons in number.

A neutral atom has an equal amount of protons and electrons. An ion is a charged atom. The amount of protons of a specific element will never change, but the number of electrons changes when an ion is formed. Therefore, a neutral atom and an ion are similar because they have the same number of protons, but they are different because they have a different number of electrons.


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