Arrange these elements in order of decreasing atomic size: sulfur, chlorine, aluminum, and sodium. does your arrangement demonstrate a periodic trend or a group trend

Sodium (Na), Aluminum (Al), Sulfur (S), and Chlorine (Cl) represents an order of decreasing atomic size. Atomic size is a periodic trend, not a group trend, which are trends that exemplify different patterns in the periodic table (such as size).

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batolisis batolisis · Answer 2 · 2021-10-04T16:35:21+02:00

Arranging the given elements in order of decreasing atomic sizes ;

Sodium > Aluminum > Sulfur > Chlorine

The arrangement of elements based on Atomic numbers is a periodic trend ( because elements are categorized/ put in different patterns in the periodic table based on their atomic sizes ). while

A group trend groups elements in vertical order based on their characteristics and not atomic size.

Hence we can conclude that Arranging the various elements in order of decreasing atomic sizes is ; Sodium > Aluminum > Sulfur > Chlorine

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