The elements on the periodic table are placed in order of increasing
A)density.
B)atomic number.
C)boiling point.
D)atomic mass.

Question

Quizplus · Accepted Answer

The elements on the periodic table are arranged in order of increasing atomic number, which is the number of protons in the nucleus of an atom. This arrangement groups elements with similar properties together and helps predict the properties of elements that have not yet been discovered.

The Elements on the Periodic Table Are Placed in Order