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7: one for each period.

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What are characteristics of periods in the periodic table?

Periods have same shells. There are 7 periods in periodic table.


What are the periods in the periodic table?

The periods in the periodic table refer to the horizontal rows that indicate the number of electron shells an element's atoms have. There are 7 periods in the periodic table, each corresponding to the number of electron shells found in elements within that period.


Why are the elements on the periodic table separated into periods?

They are put into periods based on their number of electron shells.


On the periodic table what are the periods?

Periods on the periodic table are the rows running horizontally from left to right. There are seven periods in total, each indicating the number of electron shells an element's atoms possess. As you move from the top to the bottom of a period, the electron shells increase by one.


Why are the elements on the periodic tables separated into periods?

The elements on the periodic table are separated into periods based on the number of electron shells they have. Elements in the same period have the same number of electron shells, which influences their chemical properties and reactivity.


The periods in the Periodic Table have the same number of what?

They have the same number of electron shells.


What do the period numbers on the periodic table?

There are 7 periods. These describe number of shells.


What part on periodic table shows number of shells of nucleus of atom?

The period number is equal to the number of shells. Periods are the horizontal rows on the periodic table. The number of shells increases down a group.


The rows going across the periodic table is known as periods and contain elements with the same number of?

The rows going across the periodic table are known as periods and contain elements with the same number of electron shells.


The periodic table includes what periods?

The periodic table includes 7 periods, which are horizontal rows that represent the same number of electron shells in an atom's structure. Each period corresponds to the energy level of the electron shells within the elements in that row.


Do periods on the periodic table the same protons and neutrons?

Periods neither have same protons nor neutrons. They have same shells.


How many periods in the periodic table of elements?

there are 7 periods in the periodic table118