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Is a gold atom or a hydrogen atom larger?
Atomic (covalent) radius of hydrogen is 31 pm. Atomic (covalent) radius of gold is 136 pm.
Does an atom of fluorine have larger or smaller radius than an atom of iodine?
Smaller
How does the size of a cation compare with the size of the neutral atom from which it is formed?
An ion is an atom that carries a charge because it has more or less electrons than its neutral form. An electron weighs less than 0.06% of a proton and doesn't take up any real space, therefore an ion is not different in size than its neutral atom.
Who has the largest radius calcium atom or calcium ion?
The radius of a cadmium atom is smaller than the radium of a mercury atom. The trend for atomic radius is that the radius becomes larger toward the left side of the row and toward the bottom of the group.
How does the radius change when an anion is formed?
When an anion is formed, an atom gains one or more electrons, resulting in increased electron-electron repulsion within the electron cloud. This additional negative charge causes the electron cloud to expand, leading to an increase in the atomic radius. Consequently, anions are generally larger than their neutral counterparts due to this expansion.
What is going to happen to the size of a positive ion as compared to the original atom?
The positive ion has donated an electron to another atom making the other atom a negative ion and much larger in radius. The positive ion is now much smaller in radius.
What is the relationship between the radius of a anion and that of the atom from which it is formed?
An anion is formed by gaining electrons, leading to an increase in the electron cloud's size compared to the original atom. This enlargement results in the anion having a larger ionic radius than the neutral atom from which it originated.
What occurs to the radius when an atom loses an electron?
The negative ionic radius is larger than the neutral atomic radius
Is a gold atom or a hydrogen atom larger?
Atomic (covalent) radius of hydrogen is 31 pm. Atomic (covalent) radius of gold is 136 pm.
Is a sodium atom is larger than a silicon atom?
No, a silicon atom is larger than a sodium atom. This is because silicon has more electrons and protons than sodium, leading to a larger atomic radius.
Compare the size of the radius of a negative ion to its neutral atom?
The size of the Radius of a positve ion is smaller than a neutral atom because the postive ion has lost electrons, which means the outer most shell might be lost as well making the positve ion smaller and the nuetral atom remains the same
Does lithium form a negative or a positive ion?
This has a positive ion as it only has 1 electron on its outer shell, so rather than gaining 7 for a full shell of 8, it loses 1 to have a full outer shell.The radius of the Li+ ion can be estimated by subtracting the radius of the I- ion .In each case, the negative ion is much larger than the atom from which it was formed.
What one is larger a chlorine atom or a chloride ion?
A chloride ion is larger than a chlorine atom because it has gained an electron, leading to increased electron-electron repulsion and a larger ionic radius compared to the atomic radius of a chlorine atom.
Does an atom of fluorine have larger or smaller radius than an atom of iodine?
Smaller
How does the size of a cation compare with the size of the neutral atom from which it is formed?
An ion is an atom that carries a charge because it has more or less electrons than its neutral form. An electron weighs less than 0.06% of a proton and doesn't take up any real space, therefore an ion is not different in size than its neutral atom.
When an atom of chlorine forms an ionic bond with an atom of sodium does the atom of chlorine become an ion with a smaller or larger radius than the atom of chlorine?
The chlorine atom becomes an ion with a larger radius when it forms an ionic bond with sodium. This is because it gains an electron and becomes a negatively charged ion, causing the electron cloud to expand.
What makes the atom radius change down a column of the periodic table?
The larger the highest energy level, the larger the atomic radius.
