Why does chlorine have a smaller radius than sodium?

Why does chlorine have a smaller radius than sodium?

The periodic table trends refer to the neutral elements, so naturally, Cl would be smaller than Na because the increasing protons pull in the electrons tighter.

Why does chlorine have a smaller atomic radius?

Since chlorine’s 17 protons are greater than magnesium’s 12 protons, chlorine will have a greater effective nuclear charge to draw chlorine’s valence electrons closer to the nucleus and, thus, chlorine is expected to have the smaller atomic radius, while magnesium with the lower effective nuclear charge is expected to …

Which has smaller radius Cl or Na+?

Na atoms are larger than Cl atoms because the electron cloud of Cl is pulled in more tightly by the increased number of protons in the nucleus. Na+ ions are smaller than Cl- ions because the Na+ ions have electrons in only two energy levels and Cl- ions have electrons in three levels.

Why is the atomic radius of chlorine smaller than the ionic radius?

Hence, we can deduce that the forces of attraction exerted on the outermost electron in chloride ion is lesser than chlorine atom, since there are more electrons. Conclusion, chloride ion has a bigger atomic radius due to an increase in number of electrons.

Why atomic radius of sodium is bigger than chlorine?

Na atoms are larger than Cl atoms because the latter have six more positive charges in their nuclei, which pull the atom’s electrons inward more strongly.

Is chlorine smaller than sodium?

Sodium atoms are much larger than chlorine atoms, but sodium ions are much smaller than chloride ions.

Which has the smallest atomic radius and why?

Helium has the smallest atomic radius. This is due to trends in the periodic table, and the effective nuclear charge that holds the valence electrons close to the nucleus. Atomic radius decreases as you move across a period from left to right and decreases as you move up a group from bottom to top.

Why is chlorine atom smaller than chloride ion?

Example: A neutral chlorine atom contains 17 electrons, while a Cl- ion contains 18 electrons. Because the nucleus can’t hold the 18 electrons in the Cl- ion as tightly as the 17 electrons in the neutral atom, the negative ion is significantly larger than the atom from which it forms.

Which has a larger atomic radius Na or Cl?

Complete answer: The size of Na (sodium) is larger than that of Cl (chlorine).

Which is bigger Na+ or Cl?

Na+ion is smaller than Na atom while Cl ion is bigger than Cl atom.

Why the ionic radius of a sodium ion is much smaller than the atomic radius of a sodium atom?

1 Answer. The positive ion of sodium has its entire outer (valence) shell removed, which causes the ion to be smaller.

How do you know which element has the smallest atomic radius?

Atomic radii vary in a predictable way across the periodic table. As can be seen in the figures below, the atomic radius increases from top to bottom in a group, and decreases from left to right across a period. Thus, helium is the smallest element, and francium is the largest.

Why is a sodium atom larger than a chlorine atom?

Which has smaller size Cl or Na?

Which has the larger atomic radius Na or Cl?

Na and Cl : belong to the 3rd period. In periodic table, 3rd period will have larger atomic radius than the second period. Again, Cl lies to the right and Na lies to the left of the periodic table. Therefore, Na has the largest atomic radius.

What is the atomic radii of chlorine?

It is often denoted by a0 and is approximately 53 pm. Hence, the values of atomic radii given here in picometers can be converted to atomic units by dividing by 53, to the level of accuracy of the data given in this table….Atomic radius.

What is the radius of chlorine?

175 pmChlorine / Van der Waals radius

Which element has the smallest atomic radius Why?