how the periodic table works ?

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https://science.howstuffworks.com/periodic-table.htm

https://science.howstuffworks.com/periodic-table.htm
How the Periodic Table Works | HowStuffWorks
It classifies the elements according to their atomic number (more on that soon), tells us about the nuclear composition of any given element, describes how electrons are arranged around a given element and allows us to predict how one element will react with another. ­So, exactly what is this feat of organization?
Origins of The Periodic TableThe Columns Supporting The Periodic Table

https://www.youtube.com/watch?v=uPkEGAHo78o

https://www.youtube.com/watch?v=uPkEGAHo78o
Periodic Table Explained: Introduction – YouTube
Follow us at https://www.facebook.com/AtomicSchool, https://www.instagram.com/AtomicSchools/ and https://twitter.com/atomicschoolsCheck out how the the Perio…

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
As we will see below, the periodic table organizes elements in a way that reflects their number and pattern of electrons, which makes it useful for predicting the reactivity of an element: how likely it is to form bonds, and with which other elements. Electron shells and the Bohr model

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, arranges the chemical elements into rows (periods) and columns (groups). It is an icon of chemistry and is widely used in physics and other sciences.

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

https://www.britannica.com/science/periodic-table
Periodic table | Definition, Elements, Groups, Charges, Trends, & Facts …
23 oct. 2023Periodic table, in chemistry, the organized array of all the chemical elements in order of increasing atomic number. When the elements are thus arranged, there is a recurring pattern called the ‘periodic law’ in their properties, in which elements in the same column (group) have similar properties.

https://www.khanacademy.org/science/chemistry/periodic-table

https://www.khanacademy.org/science/chemistry/periodic-table
Periodic table | Learn atomic structure & periodic trends | Khan Academy
Science Chemistry library Unit 8: Periodic table About this unit This unit is part of the Chemistry library. Browse videos, articles, and exercises by topic. Introduction to the periodic table Learn The periodic table, electron shells, and orbitals The periodic table – classification of elements Groups of the periodic

https://www.rsc.org/periodic-table

https://www.rsc.org/periodic-table
Periodic Table – Royal Society of Chemistry
Periodic Table. The Royal Society of Chemistry’s interactive periodic table features history, alchemy, podcasts, videos, and data trends across the periodic table. Click the tabs at the top to explore each section. Use the buttons above to change your view of the periodic table and view Murray Robertson’s stunning Visual Elements artwork.

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 group is a vertical column of the periodic table, based on the organization of the outer shell electrons. There are a total of 18 groups. There are two different numbering systems that are commonly used to designate groups, and you should be familiar with both. The traditional system used in the United States involves the use of the letters A …

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
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. periods are of varying lengths.

https://edu.rsc.org/cpd/the-periodic-table/3010823.article

https://edu.rsc.org/cpd/the-periodic-table/3010823.article
The periodic table | CPD | RSC Education
What students need to know. All known elements are listed in the periodic table. The table features: rows called periods. columns called groups. metals on the left. non-metals on the right. reactive metals called alkali metals in group 1. the central metals block called transition metals. lesoutrali bot