What is Ionic size?

Ionic size is the size of the atom after it loses its outermost electron (after the first Ionization Energy) ...

Ionic size increases from top to bottom within the group.

why the ionic radii of negative ions are larger than the size of their parent atoms? ...

I think it depends what the magnesium is built into.

The smaller size of cation (as Li+) and larger size of anion (as I-) is the main cause for the covalent character in ionic compound. ...

In ZnO, Znic (Zn++) ionic radious is 74 pm while Oxygen(O2-) inoc radious is 126pm. As the ionic radious is large of the oxygen atom. So oxygen size is bigger than Zn size. ...

282 picometers Source: Wikipedia/ionic radius

Lithium is a good conductor in its normal ionic state but in aqueous solutions, it forms very large molecule by attracting lots of water ions to itself. Its ionic size in aqueous solution is even greater than the size of cesium ion in water. This increased ionic size in aqueous solution reduces its mobility in the solution and reducing its conductivity. ...

The number of subshells increases, so the radius of the atoms get larger.

Both trends hold for both positive and negative ions.

Because electrons are gained.

- nuclear charge - number of electrons - orbitals in which the electrons reside ...

Only the value for the covalent radius is known now: 260 pm.

Molecules move in and out of the cell by difffusion process and only those molecules which have size smaller then pore size of plasma membrane can move in and out of the cell. The second factor is ionic conc or is also known as conc gradient according to which molecules of required ionic status can move in and out of the cell ...

anions always gain extra electrons casing the ionic radius to increase but cations remove electrons causing the ionic radius to decrease .therefore anionic radius is greater than cationic radius ...

what is a ionic character what is a ionic character what is a ionic character ...

Ionic hair dryers employ negatively charged ions that break down wet water into molecules and reduce them to a fraction of their size. The benefits of using an ionic hair dryer include that it works much better and it dries hair much faster. ...

The elements that do not have quoted ionic radii are the noble gases. These elements do not form ionic compounds and therefore there is no crystallographic data. All of the other elements have ionic radii, these are either an "estimate" from the apparent size of the ion in different compounds, or a calculated value. Ionic radius is a useful idea but it should not be taken to literally, comparatively few compounds are truly ionic, most of them have some covalent character. The best examples...

An ionic bond is one in which electrons are gained/lost, ions are formed, and they attract, forming an ionic compound (e.g., HCl, H2SO4,Li2O) A covalent bond is one in which electrons are shared, and depending on the size of the atoms involved, could be polar (H2O) or nonpolar (N2). ...

KCl is ionic KCl is ionic

No it could not be. They ionic because of they are ionic.

It is an ionic bond. Ionic

NCl3 is not ionic but MgF2 is ionic

The size of a chloride ion is much larger than the size of a fluoride ion. CaF2 arranges in the fluorite crystal structure , The holes where these fluoride ions fit in between the closely packed calcium cations are a certain size, which aren't big enough for chloride ions to fit into. Therefore, CaCl2 has to form a different crystal structure that allows for the larger anion size. ...

Molecular compounds are 'simple' molecules that have weak forces acting between them, for example water and hydrogen which only possess few atoms. Whereas ionic compounds are compounds which use ionic bonding, between a metal and a nonmetal, strong ionic and electrostatic forces occur between the oppositely charged ions in a lattice structure (you can also get giant structures of ionic compounds). Their melting and boiling points are very different as well as their structure (in terms of size). ...