Radium

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Radium is a highly reactive alkaline earth metal that is chemically similar to calcium and barium. It readily forms salts and compounds with other elements, and it is radioactive, emitting alpha, beta, and gamma radiation. Radium compounds are toxic and pose a health hazard due to their radioactivity.

Radium is a highly radioactive alkali earth metal, and it can be found in trace amounts in some water sources and in some soil or rock samples. That means this stuff isn't found in the atmosphere. (It may be in some dust, but not likely.) But it will be found in some places in the lithosphere (the ground or the earth) or the hydrosphere (the water). Radium is associated with the radioactive decay of uranium, so where traces or deposits of uranium ore are found, this stuff will be around. A link to the Wikipedia article on radium is provided.

1s2

2s2

2p6

3s2

3p6

3d10

4s2

4p6

4d10

4f14

5s2

5p6

5d10

5f14

6s2

6p6

6d10

6f14

7s2

Radon, a radioactive inert gas, will, when superheated, begin thermionic emission. Let's put some in a container we can see through (with nothing else to interfere) and heat it up. Ready? Let's do it. Electrons most loosely bound to the radon nucleus will move to the next higher available Fermi energy level (meaning the atom will ionize), and then the electrons will fall back to their original energy levels with the emission of a photon. The radon will be glowing - emitting light. The phenomenon will be repeated; more and more atoms of radon will become involved in the process. At first the light will be in the infrared spectrum and we will not be able to see it unaided. At higher heats, electrons are driven to higher and higher energy levels, and when they "fall back" into their orbitals, the will emit shorter and shorter wavelengths (higher and higher frequencies) of light in making the transition. Some reds, oranges, yellows and other colors on up the frequency spectrum will be given off by the glowing gas, but not necessarly all the colors. Radon is an unstable (radioactive) inert gas. And it has a short half-life. Let's assume that no radioactive decay occurred during our little experiment. We wouldn't want to have to deal with any of the radioactive daughters of radon that might appear and "mess up" our light show. If the question spoke to the shortening of the half-life of radon by superheating it, that is, if you want to make radon undergo radioactive decay faster by superheating it, set that notion aside. You can't affect its rate of decay by superheating radon. Oddly, almost all isotopes of all elements show a uniform resistance to having their half-lives changed by superheating them. We find little to no evidence of changes in half-lives of radioisotopes in stars, which are massive spheres of plasma that are hot almost beyond imagining.

No, radium is not magnetic. Radium is a radioactive metallic element that emits highly energetic alpha, beta, and gamma particles as it decays. Magnetism is a property associated with the alignment of magnetic moments in a material, which radium does not exhibit.

1. Radium has 88 protons.

2. Radium has not... americium !

Radium-223 chloride (Xofigo) is a radioactive drug used to treat prostate cancer that has spread to the bones. It works by delivering targeted radiation directly to bone metastases, which helps reduce pain and improve overall survival in patients with advanced prostate cancer. Radium-223 can help improve quality of life by reducing bone pain and delaying the progression of the disease.

1. Marie Curie, Pierre Curie and Gustave Bemont discovered radium in 1898.

2. Maria and Pierre Curie isolated radium chloride in Paris in 1902.

3. Marie Curie, Pierre Curie and Andre Louis Debierne prepared radium as a pure metal in 1910.

In July 1898 Pierre and Marie Currie published a paper revealing their discovery of "polonium", In December 1898 announced a second new element, "radium"

Lithium, sodium, and potassium all float on water.

Sodium and lithium both react with the water to give off hydrogen gas - they look a bit like fizzies when they do it. They can give off enough heat to light the gas, so they burn as they float around if there is enough oxygen to support a flame. I imagine potassium would act the same way, but I have never seen it personally.

Beryllium, the lightest element in the alkaline earth group, is more dense that water, and would not float.

Radium was discovered by Pierre Curie, Marie Curie and Gustave Bemont in 1898.

The cost of radium can vary depending on the form and quantity being purchased. However, radium is a highly regulated radioactive element, and acquiring it can be expensive due to its rarity and the associated safety and security considerations. Additionally, the handling, transportation, and disposal of radium require specialized procedures and equipment, further contributing to its overall cost.

Senlac Hill was important because it was the location of the Battle of Hastings in 1066, where William the Conqueror's Norman army defeated King Harold II's English forces. This battle marked the Norman conquest of England and changed the course of English history. The victory established William as the new king of England and introduced Norman rule and culture to the country.

Studying residues of uranium ores Marie Curie and Pierre Curie found that these residues are more radioactive than uranium; they attributed this radioactivity to unknown elements. They isolated these elements and named these elements polonium and radium.

Marie Curie isolated pure radium on January 12, 1902.

Yes, radium is found in nature as a trace element in uranium ores. It is typically found in combination with other elements in these ores, and it is not typically found in its pure, uncombined form in nature.

The cost of radium can vary based on factors such as the purity, quantity, and source. Radium is a radioactive element with limited commercial uses due to its toxicity and health risks, so it is typically not openly traded on the market. It is often obtained through specialized suppliers or regulated channels for research or industrial purposes.

Today radium has only limited applications in research laboratories, for example for the preparation of radon standard solutions, in neutron sources of the type Ra-Be, etc.

Possible use in radiotherapy of some cancers.

Radium was used in the past for luminescent painting of watches and other instruments, was used in toothpaste, cosmetics, etc. These applications are not permitted now because radium is strongly radioactive and dangerous.

Marie Curie is famous for discovering the element Radium, previously unknown. The history of this is an interesting progression, like so much in science. The physicist Roentgen discovered X-rays, and found that they would pass through solid matter, and also that they would affect photographic plates. The scientist Becquerel discovered that a mineral called pitchblende would affect these plates even through their wrappers, and suspected that the mineral was producing X-rays. This was puzzling, because Roentgen made X-rays using high voltages in a vacuum chamber, while pitchblende just sat there but somehow did the trick. Curie thought that there must be something unknown in pitchblende. She bought tons of it, and started trying to isolate something else from it. Eventually she managed to get a few grams of something from the tons of original stuff. This new substance had remarkable properties. It was always warmer than its surroundings; it shone in the dark, and it produced something very like X-rays. The rate at which these three things were produced did not seem to diminish with time. She had produced a radioactive substance with a long half-life. Because it radiated light, heat and X-rays it became called Radium.

Radium therapy would typically be given for localized or early-stage cancers, where the intent is to target and treat the specific cancerous cells in a localized area. It is commonly used in early-stage prostate cancer, gynecological cancers, and certain skin cancers.

The atomic number of radium (Ra) is 88.

The atomic weight of Ra is 226 grams per mole.

See the Web Links to the left of this answer for a periodic table with more information about this element!

Port radium