Question

atomic radii of sodium (Na) are larger then Na+ionoc radii give two reasons ​

Answer 1

Answer:

my answer is=

However, one of the main reasons why Na has a larger atomic radius than Cl is because Cl has more protons, though they both are filling the n=3 shell. Thus, the electrons in the outermost shell of Cl experience a stronger attraction toward the nucleus (because the nucleus of Cl has a greater charge).

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Answer 2

Answer:

ANSWER

In the formation of cation, the radius of the cation is generally smaller than its atom. For Na, when it loses an electron, its outer shell will be removed thus having a smaller ionic radius. It will have a similar configuration to that of Neon.

The electronic configuration for Na atom is 2,8,1 (z=11) and electronic configuration for Na ion is 2,8 (z=10). There is a removal of the m shell and hence, the ion is smaller in size. After removal of one electron, the effective nuclear charge on sodium atoms increase due to which nucleus tends to attract the electrons with a greater force and thus, causing a shrink in size.

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