I need a simple definition that summarizes what The Peiodic Table of Elements is? And what it does.

Question

Thank you.

Answer 1

Try google-- i got this from the third site there:

It arranges all the known elements in an informative array. Elements are arranged left to right and top to bottom in order of increasing atomic number. Order generally coincides with increasing atomic mass.

The different rows of elements are called periods. The period number of an element signifies the highest energy level an electron in that element occupies (in the unexcited state). The number of electrons in a period increases as one traverses down the periodic table; therefore, as the energy level of the atom increases, the number of energy sub-levels per energy level increases.

Hope this helped!