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Group 3 element - Wikipedia

Group 3 is a group of elements in the periodic table.This group, like other d-block groups, should contain four elements, but it is not agreed what elements belong in the group. Scandium (Sc) and yttrium (Y) are always included, but the other two spaces are usually occupied by lanthanum (La) and actinium (Ac), or by lutetium (Lu) and lawrencium (Lr); less frequently, it is considered the group ...

11 Best atoms & periodic table of elements images ...

My 8th grader's magnesium science project. Made out of Rice Krispie treats and skittles. Protons/electrons/neutrons are squished up and rolled together in a ball. Used toothpicks

The Element Cobalt -- Cobalt Atom

Use in medicine. Cobalt-60 (Co-60 or 60 Co) is a radioactive metal that is used in radiotherapy. It produces two gamma rays with energies of 1.17 MeV and 1.33 MeV. The 60 Co source is about 2cm in diameter and as a result produces a geometric penumbra, making the edge of the radiation field fuzzy.

Periodic Table of the Elements | Minerals Education Coalition

Home Mining & Minerals Information Periodic Table of the Elements. Get the Blue Marble periodic table poster in English or Spanish! Click on an element to see its history, description, benefits, sources and biological rating. ... Minerals Education Coalition 12999 E. …

Periodic trends - db0nus869y26v.cloudfront.net

A period 1 element is one of the chemical elements in the first row (or period) of the periodic table of the chemical elements.The periodic table is laid out in rows to illustrate periodic (recurring) trends in the chemical behaviour of the elements as their atomic number increases: a new row is begun when chemical behaviour begins to repeat, meaning that analog elements fall into the same ...

Periodic Table of Elements: Cobalt - Co ...

Comprehensive information for the element Cobalt - Co is provided by this page including scores of properties, element names in many languages, most known nuclides and …

Cobalt - Thinglink

Cobalt by Amber Nevius ... Labeling periodic table. Bring your visual storytelling to the next level. Add text, web link, video & audio hotspots on top of your image and 360 content. Start now. Easy editing on desktops, tablets, and smartphones. On thinglink.com, edit images, videos and 360 photos in one place. Explore content created by others.

WebElements Periodic Table » Thorium » the essentials

Thorium is slowly attacked by water, but does not dissolve readily in most common acids, except hydrochloric. Powdered thorium metal is often pyrophoric and should be carefully handled.When heated in air, thorium turnings ignite and burn brilliantly with a white light. Thorium is named for Thor, the Scandinavian god of war.

Cobalt - Element information, properties and uses ...

Cobalt is an essential trace element, and forms part of the active site of vitamin B12. The amount we need is very small, and the body contains only about 1 milligram. Cobalt salts can be given to certain animals in small doses to correct mineral deficiencies. In large doses cobalt is carcinogenic.

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WebElements Periodic Table » Antimony » the essentials

Antimony atoms have 51 electrons and the shell structure is 2.8.18.18.5. The ground state electronic configuration of neutral antimony is [Kr].4d 10.5s 2.5p 3 and the term symbol of antimony is 4 S 3/2.. Antimony: description Your user agent does not support the HTML5 Audio element.

Cobalt(II) bromide - Wikipedia

Cobalt(II) bromide can be prepared as a hydrate by the reaction of cobalt hydroxide with hydrobromic acid: Co(OH) 2 (s) + 2HBr(aq) → CoBr 2.6H 2 O(aq) Anhydrous cobalt(II) bromide may be prepared through the direct reaction of elemental cobalt and liquid bromine. Reactions and uses

WebElements Periodic Table » Nickel » the essentials

The USA 5-cent coin (whose nickname is "nickel") contains just 25% nickel. Nickel is a silvery white metal that takes on a high polish. It is hard, malleable, ductile, somewhat ferromagnetic, and a fair conductor of heat and electricity. Nickel carbonyl, [Ni(CO) 4], is an extremely toxic gas and exposure should not exceed 0.007 mg M-3. Nickel foil.

Iron Periodic Table Electrons | Review Home Decor

Jun 13, 2018· Chemical properties of iron part periodic table the elements imagemap file electron s 026 iron svg chalkboard with description of periodic table notation for iron ...

Dynamic Periodic Table

Interactive periodic table with dynamic layouts showing names, electrons, oxidation, trend visualization, orbitals, isotopes, and compound search. Full descriptions from write-up sources.

Cobalt - Periodic table

Cobalt is widely used in batteries and in electroplating. Cobalt salts are used to impart blue and green colors in glass and ceramics. Radioactive 60 Co is used in the treatment of cancer. Cobalt is essential to many living creatures and is a component of vitamin B 12. Cobalt is also used in samarium-cobalt permanent magnets.

The Element Cobalt - Edinformatics

The elements of the Periodic Table -- Cobalt. Use in medicine. Cobalt-60 (Co-60 or 60 Co) is a radioactive metal that is used in radiotherapy. It produces two …

WebElements Periodic Table » Cobalt » the essentials

Cobalt compounds are important catalysts in a number of industrial processes. Cobalt is required in small amounts for life and is the only metal found in vitamins (cobalt is the critical component of vitamin B 12. Marmite, which we eat here in England and love it or hate it is a source of vitamin B 12, actually a cobalt complex. The equivalent ...

The Metals in the Biological Periodic System of the ...

Jan 05, 2016· The count includes chromium whose status as an essential element is controversial (see below). Additional elements are essential for other forms of life outside the kingdom animalia. Therefore when essential elements are listed in a "biological periodic system of the elements (PSE)" the meaning and implications usually are not clear.

Cobalt (Understanding the Elements of the Periodic Table ...

Jan 30, 2008· Cobalt (Understanding the Elements of the Periodic Table) [Paula Johanson] on . *FREE* shipping on qualifying offers. Explains the characteristics of cobalt, where it is found, how it is used by humans, and its relationship to other elements found in the periodic table.

Cobalt(II) bromide - Wikipedia

Cobalt(II) bromide can be prepared as a hydrate by the reaction of cobalt hydroxide with hydrobromic acid: Co(OH) 2 (s) + 2HBr(aq) → CoBr 2.6H 2 O(aq) Anhydrous cobalt(II) bromide may be prepared through the direct reaction of elemental cobalt and liquid bromine.

WebElements Periodic Table » Potassium » the essentials

Potassium: biological data. Human abundance by weight: 2000000 ppb by weight; Potassium salts are essential for both animals and plants. The potassium cation (K +) is the major cation in intracellular (inside cells) fluids (sodium is the main extracellular cation). It is essential for nerve and heart function.

WebElements: the periodic table on the world-wide web

The author endeavours to ensure the information in the WebElements printable periodic table is correct but a condition of your use of it is that you accept the author has no liability for problems arising from your use of the WebElements printable periodic table.

cobalt | Definition & Facts | Britannica

Cobalt is one of the three metals that are ferromagnetic at room temperature.It dissolves slowly in dilute mineral acids, does not combine directly with either hydrogen or nitrogen, but will combine, on heating, with carbon, phosphorus, or sulfur.Cobalt is also attacked by oxygen and by water vapour at elevated temperatures, with the result that cobaltous oxide, CoO (with the metal in the +2 ...

The Periodic Table of the Elements

The Periodic Table of the Elements 1 H Hydrogen 1.00794 2 He Helium 4.003 3 Li Lithium 6.941 4 Be Beryllium 9.012182 5 B Boron 10.811 6 C Carbon 12.0107 7 N Nitrogen 14.00674

Periodic Table of the Elements: Cobalt | Article about ...

Related article: Periodic Table of the Elements (table) Periodic Table of the Elements (showing atomic number and atomic symbol; click on atomic symbol for more detailed information) Groups ..... Click the link for more information.

Cobalt - Wikipedia

Cobalt occurs naturally as only one stable isotope, cobalt-59. Cobalt-60 is a commercially important radioisotope, used as a radioactive tracer and for the production of high-energy gamma rays. Cobalt is the active center of a group of coenzymes called cobalamins. Vitamin B 12, the best-known example of the type, is an essential vitamin for all ...

WebElements Periodic Table » Samarium » the essentials

Samarium atoms have 62 electrons and the shell structure is 2.8.18.24.8.2. The ground state electronic configuration of neutral samarium is [Xe].4f 6.6s 2 and the term symbol of samarium is 7 F 0.. Samarium: description Your user agent does not support the HTML5 Audio element.

The Periodic Table Song (2018 UPDATE!) - YouTube

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The Comic Book Periodic Table of the Elements

Welcome to the Periodic Table of Comic Books. Click on an element to see a list of comic book pages involvingthat element. Click on a thumbnail on the list to see a full comic bookpage. For technical information about an element, follow the link to Mark Winter's WebElements. We recommend that you start with oxygen to see some of our best stuff.