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Because while silicon loses electrons to be stable, it loses an electron shell, whereas phosphorus gains more electrons. Therefore, there is a difference of an entire electron shell.

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What is the ionic radius of silicon?

The ionic radius of silicon can vary depending on its oxidation state. In its common +4 oxidation state, the ionic radius of silicon is approximately 0.40 nanometers when it forms tetrahedral structures.


Which element has a larger ionic radius than sulfur?

Phosphorus has larger ionic radius than sulfur. There is more nuclear attraction in sulfur.


What is the relationship of ionic radius and atomic number?

As you move across a period from left to right, the atomic number increases and the ionic radius decreases. This is because the increase in positive charge in the nucleus attracts the electrons more strongly, pulling them closer to the nucleus, leading to a decrease in ionic radius.


What happens to ionic radius if you add an electron?

Adding an electron to an atom increases its negative charge, leading to an increase in electron-electron repulsions. This results in the outer electron shell expanding, causing the ionic radius to increase.


Which element has the largest radius?

francium has the largest ionic radius


When an atom of phosphorus becomes a phosphide ion p3 the radius?

When an atom of phosphorus gains three electrons to become a phosphide ion (P3-), it will have a larger radius compared to the neutral phosphorus atom. This is because the additional electrons will occupy outer electron shells, leading to increased electron-electron repulsion and the expansion of the ionic radius.


What is the ionic radius trend across a period?

Atoms increase in size as you go down a column and are larger going from right to left across a row.because while going from left to right in a period electrons enter in the same orbit and hence the attraction between the nucleus increasees


How does ionic radius change as you move down and across the periodic table?

As you move down a group in the periodic table, the ionic radius tends to increase due to the addition of new electron shells. Across a period from left to right, the ionic radius generally decreases as the increasing nuclear charge pulls the electrons closer to the nucleus, resulting in a smaller radius.


What has the smalled ionic radius?

The Hydrogen Ion has the smallest ionic radius.


What is the ionic radius of copper?

The ionic radius of copper can vary depending on its oxidation state. For example, the ionic radius of Cu2+ is approximately 73 pm, while the ionic radius of Cu+ is around 77 pm.


What is the ionic radius of aluminum?

The ionic radius of aluminum is approximately 0.54 angstroms.


Why does the ionic radius of N3 than that of O2-?

The ionic radius of N3- is larger than that of O2- because the extra electron in the N3- ion is located in a higher energy level, leading to larger electron-electron repulsions and an increase in the ionic radius. Additionally, the effective nuclear charge experienced by the electrons in the N3- ion is lower than that in the O2- ion, further contributing to the larger ionic radius of N3-.