what are be in the periodic table ?

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https://pubchem.ncbi.nlm.nih.gov/periodic-table

https://pubchem.ncbi.nlm.nih.gov/periodic-table
Periodic Table of Elements – PubChem
Periodic Table of Elements TABLE LIST W/PROPERTIES GAME Display Property/Trend 17 Cl Chlorine halogen Plot Atomic Mass 1 H Hydrogen nonmetal 2 He Helium noble gas 3 Li Lithium alkali metal 4 Be Beryllium alkaline earth metal 5 B Boron metalloid 6 C Carbon nonmetal 7 N Nitrogen nonmetal 8
Ionization Energy
Ionization Energy in the Periodic Table of Elements. Ionization energy, also called ionization potential, is the amount of energy required to remove an electron from an isolated atom or molecule. Choose Elements to Display.

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

https://en.wikipedia.org/wiki/List_of_chemical_elements
List of chemical elements – Wikipedia
The definitive visualisation of all 118 elements is the periodic table of the elements, whose history along the principles of the periodic law was one of the founding developments of modern chemistry.

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

https://www.britannica.com / science / periodic-table
Periodic table | Definition, Elements, Groups, Charges, Trends, & Facts …
24 déc. 2023periodic 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 elements in the same column (group …

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

https://en.wikipedia.org/wiki/Periodic_table
Periodic table – Wikipedia
Chemistry Portal v t e 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.rsc.org/periodic-table/element/4/beryllium

https://www.rsc.org/periodic-table/element/4/beryllium
Beryllium – Element information, properties and uses | Periodic Table
Element Beryllium (Be), Group 2, Atomic Number 4, s-block, Mass 9.012. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

https://ptable.com/?lang=en

https://ptable.com/?lang=en
Periodic Table – Ptable
Interactive periodic table showing names, electrons, and oxidation states. Visualize trends, 3D orbitals, isotopes, and mix compounds. Fully descriptive writeups.

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

https://www.acs.org/education/whatischemistry/periodictable.html
Periodic Table of Elements – American Chemical Society
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 element, like atomic mass and chemical symbol.

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 of the Elements, LibreTexts.

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

https://www.rsc.org/periodic-table
Periodic Table – Royal Society of Chemistry
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://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 lesoutrali bot