Why F is smaller than Li?

An atom of fluorine is smaller than an atom of lithium because with more protons the electrons are pulled closer to the nucleus. An atom of fluorine is smaller than an atom of lithium because fluorine has a high ionization energy and will not lose electrons as easily as lithium.

Is F bigger than CL?

And among these two, Cl- is greater in size than F- , as the ionic radii increases down the group. Cl- is greatest among them. Because it is an anion. Size of anion is greater because after gaining an electron repulsions between electrons in last shell increase, which lead to increased size.

What element is bigger than Li?

Sodium is in period 3 in group 1/IA, so its valence electron is in the third energy level, therefore it has a greater atomic radius than lithium.

Which is bigger K+ or Cl?

In other words, K+ has bigger effective nuclear charge than Cl− , which translates to a bigger net positive charge felt by the outermost electrons. This will compress the energy levels a bit and make the ionic radius smaller for the potassium cation. Therefore, the chloride anion will have the larger atomic radius.

Why is the difference between L I and F smaller?

I think that the answer could be (A) because L i is larger than F, and the other choices result in L i becoming smaller and F becoming larger which decreases the difference in radii, but this is not the correct answer. The answer given was C. How can this be explained?

Which is smaller, f-, li +, or Na +?

Similarly Li+ would be the smallest because it has only 2 electrons and therefore the least electron- electron repulsion. When comparing F- and Na +, we have to be careful, as both of them have 10 electrons. Experimental results show that F- is slightly larger than Na+ (119 pm as compared to 116 pm). One way of explaining this is that in

Which is greater in size Cl-or F-?

Cl- is greater in size. Cations are formed by losing electrons and Anions on the other hand are formed by gain of electrons. On gaining electrons , the size eventually increases due to increased electron-electron repulsion. Thus Anions are greater in size than Cations. So if we compare between the above , Na+ and Li+ are smaller than F- or Cl-.

Why is L I larger than F on the periodic table?

Also, as you move to the right of the periodic table atomic radius decreases. I think that the answer could be (A) because L i is larger than F, and the other choices result in L i becoming smaller and F becoming larger which decreases the difference in radii, but this is not the correct answer. The answer given was C.