why and how elements are arranged in a period ?

Description

why and how elements are arranged in a period ?

Here are some links that might be useful to you:

https://en.wikipedia.org/wiki/Periodic_table

https://en.wikipedia.org/wiki/Periodic_table
Periodic table – Wikipedia
The periodic table, also known as the periodic table of the elements, is an ordered arrangement of the chemical elements into rows ( periods ) and columns ( groups ). It is an icon of chemistry and is widely used in physics and other sciences. It is a depiction of the periodic law, which states that when the order …

https://www.britannica.com/science/periodic-table

https://www.britannica.com/science/periodic-table
Periodic table | Definition, Elements, Groups, Charges, Trends, & Facts …
19 avr. 2024periodic table, in chemistry, the organized array of all the chemical elements in order of increasing atomic number —i.e., the total number of protons in the atomic nucleus. When the chemical elements are thus arranged, there is a recurring pattern called the periodic law in their properties, in which the same column (group …

https://en.wikipedia.org / wiki / Period_(periodic_table)

https://en.wikipedia.org / wiki / Period_(periodic_table)
Period (periodic table) – Wikipedia
In the periodic table of the elements, each numbered row is a period.. A period on the periodic table is a row of chemical elements.All elements in a row have the same number of electron shells.Each next element in a period has one more proton and is less metallic than its predecessor. Arranged this way, the same group (column) have similar chemical and physical properties …

https://chem.libretexts.org/Courses/Heartland_Community_College/CHEM_120:_Fundamentals_of_Chemistry/02:_Atoms_and_Elements/2.02:_Periodic_Table

https://chem.libretexts.org/Courses/Heartland_Community_College/CHEM_120:_Fundamentals_of_Chemistry/02:_Atoms_and_Elements/2.02:_Periodic_Table
2.2: The Periodic Table – Chemistry LibreTexts
A period is a horizontal (left-to-right) row on the periodic table. Each period is given a numerical value, beginning with 1, which is assigned to the top row. The period number increases by one for every additional row, up to a maximum of 7. It is important to note that the final two rows of elements on the periodic table are not 8 …

https://chem.libretexts.org/Bookshelves/Introductory_Chemistry/Introductory_Chemistry_(CK-12)/06:_The_Periodic_Table/6.04:_Modern_Periodic_Table-_Periods_and_Groups

https://chem.libretexts.org/Bookshelves/Introductory_Chemistry/Introductory_Chemistry_(CK-12)/06:_The_Periodic_Table/6.04:_Modern_Periodic_Table-_Periods_and_Groups
6.4: Modern Periodic Table- Periods and Groups
20 sept. 2022A period is a horizontal row of the periodic table. There are seven periods in the periodic table, with each one beginning at the far left. A new period begins when a new principal energy level begins filling with electrons. Period 1 has only two elements (hydrogen and helium), while 2 and 3 have 8 .

https://chem.libretexts.org/Courses/can/CHEM_210:_General_Chemistry_I_(An_Atoms_Up_Approach)/04:_Atoms_and_Elements/4.06:_The_Periodic_Table_of_the_Elements

https://chem.libretexts.org/Courses/can/CHEM_210:_General_Chemistry_I_(An_Atoms_Up_Approach)/04:_Atoms_and_Elements/4.06:_The_Periodic_Table_of_the_Elements
4.6: The Periodic Table of the Elements – Chemistry LibreTexts
10 déc. 2023Figure 4.6.1 4.6. 1: The Periodic Table Showing the Elements in Order of Increasing Z. The metals are on the bottom left in the periodic table, and the nonmetals are at the top right. The semimetals lie along a diagonal line separating the metals and nonmetals. An interactive Periodic table can be found Periodic Table of the , LibreTexts.

https://sciencenotes.org/periodic-table-groups-and-periods

https://sciencenotes.org/periodic-table-groups-and-periods
Periodic Table Groups and Periods – Science Notes and Projects
A group is a vertical column down the periodic table, while a period is a horizontal row across the table. Both groups and periods reflect the organization of electrons in atoms. Element atomic number increases as you move down a group from top to bottom or across a period from left to right. An group is a vertical column on the …

https://www.khanacademy.org/science/ap-chemistry-beta/x2eef969c74e0d802:atomic-structure-and-properties/x2eef969c74e0d802:atomic-structure-and-electron-configuration/a/the-periodic-table-electron-shells-and-orbitals-article

https://www.khanacademy.org/science/ap-chemistry-beta/x2eef969c74e0d802:atomic-structure-and-properties/x2eef969c74e0d802:atomic-structure-and-electron-configuration/a/the-periodic-table-electron-shells-and-orbitals-article
The periodic table, electron shells, and orbitals – Khan Academy
By convention, elements are organized in the periodic table, a structure that captures important patterns in their behavior.Devised by Russian chemist Dmitri Mendeleev (1834-1907) in 1869, the table places elements into columns—groups—and rows—periods—that share certain properties.These properties determine an physical state at room temperature—gas, solid, or liquid …

https://www.acs.org/education/whatischemistry/periodictable.html

https://www.acs.org/education/whatischemistry/periodictable.html
Periodic Table of Elements – American Chemical Society
Periodic Table of Chemical Elements. The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic number. Scientists use the periodic table to quickly refer to information about an , like atomic mass …

https://www.britannica.com/science/periodic-table/The-periodic-table

https://www.britannica.com/science/periodic-table/The-periodic-table
Periodic table – Elements, Groups, Blocks | Britannica
Periodic table – Elements, Groups, Blocks: The periodic table of the elements contains all of the chemical elements that have been discovered or made; they are arranged, in the order of their atomic numbers, in seven horizontal periods, with the lanthanoids (lanthanum, 57, to lutetium, 71) and the actinoids (actinium, 89, to lawrencium, 103) indicated separately below.
lesoutrali bot