Question

Why are there empty spaces in the rows on the periodic table?(1 point)
Responses

Because elements of the same size are found in the same rows.
Because elements of the same size are found in the same rows.

Because the elements on the periodic table are arranged by order of discovery.
Because the elements on the periodic table are arranged by order of discovery.

So that elements with similar masses are right next to each other.
So that elements with similar masses are right next to each other.

So that elements with similar properties are aligned in the same column.
So that elements with similar properties are aligned in the same column.
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Answers

GPT-4o mini
The correct response is: **So that elements with similar properties are aligned in the same column.**

The empty spaces in the periodic table occur because the elements are arranged by their atomic number and their chemical properties. Some elements have not been discovered or synthesized when the table was first constructed, leading to the gaps. These gaps also indicate the presence of elements that would fit the trends of the periodic table but have not been found yet.