Brainlies what trend is observed about atomic radii based on the placements of elements on the periodic table?

The atomic radii decreases when you go across the periodic table or a period, the size increases as you go down a group.

Ifound this on google “aristotle (384–322 bc) in western scientific taxonomy the greek philosopher aristotle was the first to classify all living things, and some of his groups are still used today, like the vertebrates and invertebrates, which he called animals with blood and without blood.” i hope this you for what your looking for.