Does atomic radius increase left to right in the periodic table of elements?

Answer 1

Generally it decreases. There are a few exceptions: the noble gases tend to be quite a bit bigger than the corresponding halogens, and there's a smaller bump as you go from d-block elements to p-block elements.

Answer 2

From left to right across the Periodic Table, the atomic radius decreases. This trend occurs because a proton is added to an atom which each element, yet the electrons do not move significantly further away from the nucleus. In addition, the valence electrons do not result in much nuclear shielding when they are in obitals with the same principal quantum number. Thus, the protons more strongly attract the electrons, pulling them closer to the nucleus.

Answer 3

Yes it does. With each step to the right, another proton is added to the atomic nucleus, and another electron is added to the outer shell. The actual affect on atomic radius is somewhat complicated by the fact that the more protons there are, the more strongly the electrons will be attracted to the nucleus. But the electrons repel each other. The end result is that the more electrons there are, the larger the atomic radius will be.

**************************2nd Opinion********************

Well, no, it does not. There is an exception here and there, but elements in a period gradually decrease in atomic radius as you go to the right.

Answer 4

No, atomic radius generally decreases from left to right across a period in the periodic table due to increasing nuclear charge, which attracts the electrons closer to the nucleus.

Answer 5

Atomic radius increases down a group because, with each period an additional energy level is added.

Answer 6

the Atomic Mass increases