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Radium
Radium is a chemical element with the atomic number 88 and the symbol Ra. It was discovered by Marie Curie and Pierre Curie in 1898 in uranium ore.
404 Questions
Radium chloride is a compound made of radium and chlorine. It is a radioactive substance known for its luminescent properties. Due to its high radioactivity, it is used in scientific research and medical applications, but must be handled with extreme caution.
How long did it take Marie curie to discover radium and polonium?
Marie Curie, along with her husband Pierre Curie, discovered radium and polonium in 1898. It took them several years of dedicated research and experiments to isolate and characterize these new elements.
What are the coordinates of Radium Springs - Georgia?
Coordinates of Radium Springs (Georgia) are:
31°31′35″, North
84°08′08″, West
Why radium is not used instead of uranium?
Actually uranium-238 is used in nuclear reactor, in fact in ordinary water moderated nuclear reactors 97% of the uranium in the fuel is uranium-238. Even in fast neutron (i.e. unmoderated) nuclear reactors 5% or more of the fuel is uranium-238. However, this uranium-238 in the fuel cannot be fissioned directly by the reactor, but some of it is transmuted to plutonium-239, plutonium-240, plutonium -241, and plutonium-242 which do burn. The problem with uranium-238 in the fuel is just that, it captures neutrons then over a period of several days transmutes to plutonium via radioactive decay and this loss of neutrons stops the neutron chain reaction that maintains fission; to minimize this effect some uranium-238 is removed from the fuel by enrichment and most nuclear reactors also use a moderator of some kind to rapidly slow neutrons (uranium-238 captures intermediate speed neutrons about 100 to 700 times more easily than it does either fast or slow neutrons) to thermal (21C or 2.2km/s or 0.025eV) speeds, at which uranium-235 fissions 213 times more easily than uranium-238 captures neutrons.
Also reactors have been built that used uranium-238 as part of their shielding, as being denser than lead it is an excellent absorber of gamma and x-ray radiation.
After undergoing alpha decay an atom of radium -226 becomes?
Radium 226 decays by alpha emission to Radon 222. A helium nucleus is emitted by alpha emission which makes the mass reduce by 4 and its atomic number by 2.
In what family would you classify radium?
Radium is a member of the alkaline earth metals group (group 2).
What is the mass number of the radium isotope used in paint?
The atomic mass of the radium isotope 226Ra is 226,025 409 8(25).
Did madame Curie organize x ray services with radium?
Radium was used in the past for the treatment of some cancers and Marie Curie was a pioneer in this field. But radium don't emit x-rays; radium is a emitter of gamma, alpha and beta rays. The gamma radiation can destroy malign tumors.
What is the chemical composition of radium?
On the average, throughout the world, one part of radon is present to 1 x 1021 part of air. At room temperatures radon is a colorless/odorless gas but when radon is cooled below the freezing point, radon exhibits a brilliant luminescence which turns yellow as the temperature decreases and orange-redish at the equivalent temperature of liquid air. Radon is an inert gas therefore it is a noble gas but research has shown that radon does react with fluorine, forming a fluoride. Radon is also the heaviest known gas and although radon is usually found in rock beds it has been found in some water springs.
- Radon does not react with air
- Radon does not react with water although it does dissolve slightly to the extent of about 230 cm3 kg-1 at 20°C (293 K)
- Radon gas doesn't react with any halogens except fluorine. Radon gas reacts with fluorine to form the difluoride radon(II) fluoride, RnF2, but the compound cannot be characterized.
- Radon does not react with any acids or bases
- 7 isotopes
- atomic number 86
What is least reactive calcium magnesium radium strontium and barium?
Radium is the least reactive among calcium, magnesium, strontium, and barium. Radium is a highly radioactive metal that readily reacts with other elements, but it is less reactive compared to the other listed elements.
Extremely expensive; radium is not a common commercial product. Radium can be delivered only to specialized research institutes.
Radium is harmful when ingested or inhaled because its radioactive decay can damage tissues and organs, increasing the risk of cancer. When inside the body, radium emits radiation that can disrupt cell function and DNA, leading to mutations and potentially causing leukemia, bone cancer, or other serious health effects. Long-term exposure to radium can also lead to other conditions such as anemia and necrosis (tissue death).
Radium was once used in medical treatments and products for its perceived healing properties, but it was later discovered to be extremely harmful. Although it may have been used with good intentions to treat certain conditions, prolonged exposure to radium can cause severe health problems, including cancer and radiation sickness.
Radium has a hardness of around 1.5-2.5 on the Mohs scale, which is relatively soft compared to many other minerals.
What happens when you mix radium with water?
When radium comes into contact with water, it reacts to form radium hydroxide and hydrogen gas. Radium is a highly radioactive element, so caution should be taken to avoid exposure to both the radioactive material and the chemical reaction byproducts.
How many electrons and neutrons are in radium?
Radium has 88 electrons. The number of neutrons is different for each isotope:
Number of neutrons = Atomic mass - 88
The most stable and known isotope of radium, 226Ra, has 138 neutrons.
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.
Radium and polonium are both radioactive elements that can emit harmful radiation. Radium was used in the past for its luminescent properties, while polonium is known for its use in static eliminators and sources of heat in space missions. Both elements have toxic effects on the human body if ingested or inhaled.
Driving distance from spokane to radium Canada?
The driving distance from Spokane, Washington, to Radium Hot Springs, British Columbia, Canada, is approximately 315 miles (507 kilometers). The journey usually takes around 5-6 hours, depending on traffic and road conditions.
Where was radium found on earth?
Radium exist in very small concentrations in uranium ores. It was first discovered in uranium minerals from Joachimsthal, North Bohemia (now Jachymov in the Czech Republic) by Marie Curie, Pierre Curie and Gustave Bemont (1898).
Yes. Radium is actually considered an alkaline earth metal. Its colour is nearly pure white, but when exposed to air, it turns black. Radium is also extremely radioactive. A link is provided to the Wikipedia article on radium.
What French chemist along with her husband discovered the element radium?
Radium was first discovered in 1898 by Marie Skłodowska-Curie and her husband Pierre Curie, and Gustave Bémont, living and researching in Paris, France.
Radium was discovered in pitchblende coming from North Bohemia, in the Czech Republic.
The nucleus of a radium 226 atom is unstable which causes the nucleus to?
undergo radioactive decay, releasing alpha particles. This decay process results in the transformation of the radium 226 nucleus into a different element, typically radon 222, along with the release of energy.
