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You are watching: 11 elements that are gases at room temperature

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period Table Organization

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Periodic Table – BlocksElements can be divide by the last power level that their electron fill. There are 4 types of electron orbitals (s, p, d & f) and also where these orbitals space on the routine table.


Periodic Table - State in ~ 298 K facets can it is in classified by your state at room temperature (298 K). Most facets are solid at room temperature however there are 2 facets that space liquid and 11 facets that are gases in ~ 298 K.


Hydrogen (H), Helium (He), Nitrogen (N), Oxygen (O), Fluorine (F), Neon (Ne), Chlorine (Cl), Argon (Ar), Krypton (Kr), Xenon (Xe) and also Radon (Rn) space all gases at room temperature. Mercury (Hg) & Bromine (Br) room liquid at room temperature. every remaining elements are solid in ~ room temperature.

Periodic Table - Metallic personality elements can be classified by your metallic character together being a metal, metalloid (semi-metal) or nonmetal. Metals incorporate all elements that room not considered a metalloid or nonmetal. Metals have actually the following properties: shiny metallic appearance. Solid in ~ room temperature (except Mercury). High melt point. High densities. simple & ductile. an excellent conductors of warm & electricity. Metalloids (also well-known as semi-metals) include Boron (B), Silicon (Si), Germanium (Ge), Arsenic (As), Antimony (Sb), Tellurium (Te) and also Astatine (At). Metalloids have the complying with properties: have actually properties the both metals and also nonmetals. frequently used as semiconductors. Nonmetals incorporate all facets to the best of the metalloids and also Hydrogen (H). Nonmetals have the following properties: solid nonmetals have tiny to no metallic luster. heavy nonmetals room brittle. High ionization energy. negative conductors of warmth & electricity. periodic Table - groups The facets of the periodic table can likewise be share by teams of similar properties.


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Alkali Metals include all elements in group 1 except Hydrogen (H). Alkali metals have the adhering to properties: reduced densities than other metals. React v water & air. stored in oil. One valence electron. easily lose your valence electron to kind a univalent cation (1+ charge) Alkaline Earth elements include all facets in team 2. Alkaline earth elements have the following properties: Harder, denser & stronger than alkali metals. 2 valence electrons. easily lose valence electrons to form divalent cations (2+ charge). shift Elements express to teams 3 v 12. Shift elements have actually the following properties: described as B group elements. very Hard. High melting & boil points. High electrical conductivity. Lanthanides include aspects 58-71. Lanthanides are: known as rare Earth aspects because they room rare on earth. Actinides include aspects 90-103. Actinides are: recognized as rarely Earth facets because they room rare ~ above earth. Chalcogens encompass all elements in group 16. Halogens encompass all facets in team 17. Halogens have the following properties: have actually 7 valence electrons and only require 1 electron to to fill their outer energy level. High electronegativities. many reactive nonmetals, especially with alkali metals and also alkaline planet metals. Noble Gases incorporate all elements in group 18. Noble gases have the following properties: known as inert gases. every gases in ~ room temperature. Have complete outer power level. High ionization energies but very low electronegativities. man-made elements There space 90 naturally arising elements . The other aspects on the routine table space man-made and referred to as fabricated elements. The artificial elements space : Technetium (Tc), Promethium (Pm ) and all aspects with atomic numbers better than Uranium (U).
click on the "Group by" an option on the regular table below to watch the various ways to organize the elements.