Because they have gained or lost electrons and are no longer neutral.
Because it has a different number of electrons.
It has a different number of electrons than its parent and the number of electrons determines the properties
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.
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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. =]
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.
Ionic radius is greater than atomic radius in a negative ion and less than it in a positive ion.
Because ions are electrically charged particles that have different chemical properties than their parent atoms. For example, salt is not as dangerous because it contains stable sodium ions, not the reactive sodium atoms of its parent. :)
Because ions are electrically charged particles that have different chemical properties than their parent atoms. For example, salt is not as dangerous because it contains stable sodium ions, not the reactive sodium atoms of its parent. :)
its ion and atom properties differences is atom is like science ion-chemistry
Helium (He) and Be2+ ion (not beryllium element) have the same number of valence electrons (two). But their properties are different as they differ in the number of protons (2 for helium, 4 for beryllium) and hence they differ in ther properties.
It is the energy that is needed for ionization to happen. The parent ion is the ion before ionization, after it is known as the daughter ion
The nitrite ion has one less oxygen atom.
A negative ion is larger than its parent atom because of its additional electron(s).
Because ions are electrically charged particles that have different chemical properties than their parent atoms. For example, salt is not as dangerous because it contains stable sodium ions, not the reactive sodium atoms of its parent. :)
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.
Ammonia is NH3 whereas ammonium ion is NH4+
the ion has a greater number of electrons
In the electric charge.