Periodic Table Groups Vs Periods. The periodic table arranges all of the known elements in order of increasing atomic number. The elements were arranged into groups and periods based on certain.
Groups the different rows of elements are called periods. Groups and periods are two ways of categorizing elements in the periodic table. The period number of an element signifies the highest energy level an electron in that element occupies (in the unexcited state).
There are 7 major periods and 18 groups in the periodic table of elements.
A period is a horizontal row on the periodic table. Periodic table, in chemistry, the organized array of all the chemical elements in order of increasing atomic number. Group, in chemistry, a column in the periodic table of the chemical elements. And so let's move on to the concept of periods.
