Select the correct statement (2.5 points) (a) elements in the same row are similar in size. (b) elements in the same column have similar electronic and chemical properties (c) both (a) and (b) (d) none of the above

(B) Elements in the same column have similar electronic and chemical properties

Explanation:

The periodic table sorts the elements by their organization, it lists the elements in rows called periods and columns called groups or families, and in ascending order of their atomic numbers.

The horizontal lines in the periodic table are called periods and the vertical columns are called groups, and the electron and chemical properties of the elements in the same group are similar.

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.