Question

properties of elements within a _____ on the periodic table change in a predictable way from one side of the table to the other

Answer 1

Answer:

Properties of elements within a PERIOD change.

Explanation:

Across a period from left to right non - metalic character increases, moreover we can easily see in a periodic table that elements in the left are metals and in the right are non metals, but in a particular group lies the elements which have similar properties