Put the following elements in order, with the element having the most valence
electrons at the top of your list and the element with the fewest valence
electrons at the bottom.

Calcium (Ca)
Neon (Ne)
Boron (B)
Chlorine (CI)
Nitrogen (N)
Sodium (Na)
Silicon (SI)
Sulfur (S)

Idon't know hope someone you

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I'd say your answer would be the sides of a metal pan become hot when the pan is placed on the stove burner

So the main goal for the elements is stability which is a complete/full valence shell and typically the magic number for a stable element is 8 valence electron but not always. so elements to the left of the periodic table tend to be way less stable then those on the right, so the elements on the left are much more reactive.