Question

16 multiple choice 4 points define a family. from left to right (same as energy levels) the elements in a family all react differently same properties (same as the group #) (columns) diagonal on the periodic table

Explanation:

In chemistry, elements in a family (also called a group) on the periodic table have similar chemical properties as they have the same number of valence - electrons. They are arranged in columns.

Answer:

Same properties (same as the Group #) (Columns)