WebElements Periodic Table
WebElements Periodic Table. written by Mark J. Winter. This is an extensive periodic table of the elements on the World-Wide Web. Inculded is extensive …
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 …
WebElements Periodic Table » Xenon » the essentials
Period in periodic table: 5. Block in periodic table: p. Shell structure: 2.8.18.18.8. CAS Registry: . Xenon atoms have 54 electrons and the shell structure is 2.8.18.18.8. The ground state electronic configuration of neutral xenon is [ Kr ]. 4d10. 5s2. 5p6 and the term symbol of xenon is 1S0.
Periodic Table of Elements and Chemistry
11 rowsAward winning periodic table with user-friendly element data and facts. Cool online chemistry videos, dictionary, tools, etc.
WebElements Periodic Table » Oxygen » the essentials
Oxygen is a Group 16 element. While about one fifth of the atmosphere is oxygen gas, the atmosphere of Mars contains only about 0.15% oxygen. Oxygen is the third most abundant element found in the sun, and it plays a part in the carbon-nitrogen cycle, one process responsible for stellar energy production. Oxygen in excited states is responsible ...
WebElements Periodic Table » Germanium » the …
Period in periodic table: 4. Block in periodic table: p. Shell structure: 2.8.18.4. CAS Registry: . Germanium atoms have 32 electrons and the shell structure is 2.8.18.4. The ground state electronic …
WebElements Periodic Table » Gold » the …
Period in periodic table: 6. Block in periodic table: d. Shell structure: 2.8.18.32.18.1. CAS Registry: . Gold atoms have 79 electrons and the shell structure is 2.8.18.32.18.1. The ground state electronic …
WebElements Periodic Table » Nitrogen » the essentials
Group in periodic table: 15. Group name: Pnictogen. Period in periodic table: 2. Block in periodic table: p. Shell structure: 2.5. CAS Registry: . Nitrogen atoms have 7 electrons and the shell structure is 2.5. The ground state electronic configuration of neutral nitrogen is [ He ]. 2s2. 2p3 and the term symbol of nitrogen is 4S3/2.
WebElements Periodic Table » Periodicity » Menu to displays …
Menu to displays of periodic properties. This page has a menu to the left. Choose a property to show the periodic beahaviour of the property of your choice.
WebElements Periodic Table » Thallium » the essentials
Group name: (none) Period in periodic table: 6. Block in periodic table: p. Shell structure: 2.8.18.32.18.3. CAS Registry: . Thallium atoms have 81 electrons and the shell structure is 2.8.18.32.18.3. The ground state electronic configuration of neutral thallium is [ Xe ]. 4f14. 5d10. 6s2. 6p1 and the term symbol of thallium is 2P1/2.
WebElements Periodic Table » Beryllium » the essentials
Beryllium is a Group 2 (IIA) element. It is a metal and has a high melting point. At ordinary temperatures, beryllium resists oxidation in air. Beryllium compounds are very toxic. Its ability to scratch glass is probably due to the formation of a thin layer of the oxide. Aquamarine and emerald are precious forms of the mineral beryl, [Be 3 Al 2 ...
WebElements Periodic Table » Plutonium » the essentials
Block in periodic table: f. Shell structure: 2.8.18.32.24.8.2. CAS Registry: . Plutonium atoms have 94 electrons and the shell structure is 2.8.18.32.24.8.2. The ground state electronic configuration of neutral plutonium is [ Rn ]. 5f6. 7s2 and the term symbol of plutonium is 7F0.
The periodic table of the elements by WebElements
Nihonium (symbol Nh), for element 113. Moscovium (symbol Mc), for element 115. Tennessine (symbol Ts), for element 117. Oganesson (symbol Og), for element 118. This followed a 5-month period of public review after which the names earlier proposed by the discoverers were approved by IUPAC. You can buy this periodic table poster and more …
WebElements Periodic Table » Sodium » the essentials
Group in periodic table: 1. Group name: Alkali metal. Period in periodic table: 3. Block in periodic table: s. Shell structure: 2.8.1. CAS Registry: . Sodium atoms have 11 electrons and the shell structure is 2.8.1. The ground state electronic configuration of neutral sodium is [ Ne ]. 3s1 and the term symbol of sodium is 2S1/2.
WebElements Periodic Table » Fluorine » the essentials
Fluorine: description. Fluorine is a Group 17 element. Fluorine is the most electronegative and reactive of all elements. It is a pale yellow, corrosive gas, which reacts with practically all organic and inorganic substances. Finely divided metals, glass, ceramics, carbon, and even water burn in fluorine with a bright flame.
WebElements Periodic Table » Potassium » the essentials
Potassium: description. Potassium is a metal and is the seventh most abundant and makes up about 1.5 % by weight of the earth's crust. Potassium is an essential constituent for plant growth and it is found in most soils. It is also a vital element in the human diet. Potassium is never found free in nature, but is obtained by electrolysis of the ...
WebElements Periodic Table » Flerovium » the essentials
Fl: the essentials. Flerovium atoms have 114 electrons and the shell structure is 2.8.18.32.32.18.4. The ground state electronic configuration of neutral flerovium is [ Rn ]. 5f14. 6d10. 7s2. 7p2 (a guess based upon that of lead) and the term symbol of flerovium is 3P0 (a guess based upon guessed electronic structure).
WebElements Periodic Table » Cobalt » the essentials
Group in periodic table: 9. Group name: (none) Period in periodic table: 4. Block in periodic table: d. Shell structure: 2.8.15.2. CAS Registry: . Cobalt atoms have 27 electrons and the shell structure is 2.8.15.2. The ground state electronic configuration of neutral cobalt is [ Ar ]. 3d7. 4s2 and the term symbol of cobalt is 4F9/2.
WebElements Periodic Table » Tantalum » the essentials
Period in periodic table: 6. Block in periodic table: d. Shell structure: 2.8.18.32.11.2. CAS Registry: . Tantalum atoms have 73 electrons and the shell structure is 2.8.18.32.11.2. The ground state electronic configuration of neutral tantalum is [ Xe ]. 4f14. 5d3. 6s2 and the term symbol of tantalum is 4F3/2.
WebElements Periodic Table » Ruthenium » the essentials
Period in periodic table: 5. Block in periodic table: d. Shell structure: 2.8.18.15.1. CAS Registry: . Ruthenium atoms have 44 electrons and the shell structure is 2.8.18.15.1. The ground state electronic configuration of neutral ruthenium is [ Kr ]. 4d75s1 and the term symbol of ruthenium is 5F5.
WebElements Periodic Table » Vanadium » the essentials
Group in periodic table: 5. Group name: (none) Period in periodic table: 4. Block in periodic table: d. Shell structure: 2.8.11.2. CAS Registry: . Vanadium atoms have 23 electrons and the shell structure is 2.8.11.2. The ground state electronic configuration of neutral vanadium is [ Ar ]. 3d3. 4s2 and the term symbol of vanadium is 4F3/2.
WebElements Periodic Table » Arsenic » the essentials
Group name: Pnictogen. Period in periodic table: 4. Block in periodic table: p. Shell structure: 2.8.18.5. CAS Registry: . Arsenic atoms have 33 electrons and the shell structure is 2.8.18.5. The ground state electronic configuration of neutral arsenic is [ Ar ]. 3d10. 4s2. 4p3 and the term symbol of arsenic is 4S3/2.
WebElements Periodic Table » Terbium » the essentials
Group name: Lanthanoid. Period in periodic table: 6 (lanthanoid) Block in periodic table: f. Shell structure: 2.8.18.27.8.2. CAS Registry: . Terbium atoms have 65 electrons and the shell structure is 2.8.18.27.8.2. The ground state electronic configuration of neutral terbium is [ Xe ]. 4f9. 6s2 and the term symbol of terbium is 6H15/2.
WebElements Periodic Table » Copper » the essentials
Period in periodic table: 4. Block in periodic table: d. Shell structure: 2.8.18.1. CAS Registry: . Copper atoms have 29 electrons and the shell structure is 2.8.18.1. The ground state electronic configuration of neutral copper is [ Ar ]. 3d10. 4s1 and the term symbol of copper is 2S1/2.
WebElements Periodic Table » Nobelium » the essentials
Block in periodic table: f. Shell structure: 2.8.18.32.32.8.2. CAS Registry: 1. Nobelium atoms have 102 electrons and the shell structure is 2.8.18.32.32.8.2. The ground state electronic configuration of neutral nobelium is [ Rn ]. 5f14. 7s2 and the term symbol of nobelium is 1S0.
WebElements Periodic Table » Carbon » the essentials
Carbon: description. Carbon is a Group 14 element and is distributed very widely in nature. It is found in abundance in the sun, stars, comets, and atmospheres of most planets. Carbon is present as carbon dioxide in the atmosphere and dissolved in all natural waters. It is a component of rocks as carbonates of calcium (limestone), magnesium ...
WebElements Periodic Table » Krypton » the essentials
Period in periodic table: 4. Block in periodic table: p. Shell structure: 2.8.18.8. CAS Registry: . Krypton atoms have 36 electrons and the shell structure is 2.8.18.8. The ground state electronic configuration of neutral krypton is [ Ar ]. 3d10. 4s2. 4p6 and the term symbol of krypton is 1S0.
WebElements Periodic Table » Chlorine » the essentials
Chlorine is a greenish yellow gas which combines directly with nearly all elements. Chlorine is a respiratory irritant. The gas irritates the mucous membranes and the liquid burns the skin. As little as 3.5 ppm can be detected as an odour, and 1000 ppm is likely to be fatal after a few deep breaths. It was used as a war gas in 1915.
WebElements Periodic Table » Chromium » the …
Group in periodic table: 6. Group name: (none) Period in periodic table: 4. Block in periodic table: d. Shell structure: 2.8.13.1. CAS Registry: . Chromium atoms have 24 electrons and the shell structure is …
WebElements Periodic Table » Chromium » the …
Name: chromium. Symbol: Cr. Atomic number: 24. Relative atomic mass ( Ar): 51.9961 (6) Standard state: solid at 298 K. Appearance: silvery metallic. Classification: Metallic. Group in periodic table: 6. Group name: (none) …