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The natural form of lutetium is a silvery-white metal with the atomic number 71. It is a rare earth element that is found in minerals such as monazite and xenotime. Lutetium is primarily used in research and certain industries due to its high cost and limited availability.
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What do mineralogists call an element that occurs naturally in its pure form uncombined with other elements?
Mineralogists call an element that occurs naturally in its pure form uncombined with other elements a native element. These elements are typically found in nature in their pure metallic form, such as gold, silver, and copper.
What is produced when a radioactive element decays?
When a radioactive element decays, it produces radiation in the form of alpha particles, beta particles, or gamma rays. This decay process can transform the element into a different element or a different isotope of the same element.
What was Dalton's four proposals or therories?
All matter is made up of tiny particles called atoms. Atoms of the same element are identical in mass and properties. Atoms combine in simple whole number ratios to form compounds. Chemical reactions involve the rearrangement of atoms to form new substances.
Dalton's atomic theory stated that every element was made of atoms that could not be subdivided atoms of the same element are like and?
Dalton's atomic theory states that elements are composed of indivisible atoms and that all atoms of a given element are identical in mass and properties. Atoms of different elements have different masses and properties.
What is the smallest element of the screen?
The smallest element of a screen is a pixel. A pixel is the smallest addressable element in a display device and is typically composed of red, green, and blue subpixels that combine to form a single color.
What is the odor of the element lutetium?
Lutetium itself does not have a distinct odor. It is a silvery-white metal and is typically odorless in its elemental form.
Is lutetium radioactive?
Yes, lutetium is a rare earth element that has a stable form (lutetium-175), but it also has several radioactive isotopes. However, the most common isotope of lutetium found in nature (lutetium-175) is stable and not radioactive.
What are lutetium chemical properties?
Lutetium's compounds always contain the element in the oxidation state +3. Lutetium metal is slightly unstable in air at standard conditions, but it burns readily at 150 °C to form lutetium oxide. In reaction with water it is slow when cold and fast when hot; lutetium hydroxide is formed in the reaction. All halide salts (except fluoride) are soluble in water. Lutetium dissolves readily in weak acids and dilute sulfuric acid to form solutions containing the colorless lutetium ions, which exist as a [Lu(H2O)9]3+ complex (nonate, hydrate) ions.
Is oxygen a natural element?
Yes. Oxygen is a natural element. It exists in gaseous form as a part of the air around us.
What elements do not go along with lutetium?
Lutetium tends to form compounds with elements that have similar chemical properties, such as other lanthanides and some transition metals. It does not typically form stable compounds with alkali metals and alkaline earth metals, as they have very different chemical properties from lutetium.
What is an allobar?
In physics, an allobar is any form of an element with a different isotopic composition to that of the natural element.
How do natural elements form?
they come from earth but a natural element like water isn't an element at all just an over form of water its-self same with air earth and fire
Why diamond the hardest material know is a natural form of an element?
Diamond is an allotropic form of carbon.
Is the natural form for chromium an object or animal?
Chromium is a natural chemical element, metal, solid (no animal !).
Which is the second lightest element?
Helium but it is noble gas. Lithium is the lightest solid element that found in natural form.
Is lutetium dangerous?
Lutetium is not considered to be dangerous in its natural form. However, like most metals, it can pose health risks if handled improperly or in high doses due to potential toxicity when ingested or inhaled. It is primarily used in research and medical applications, where proper safety precautions are taken to minimize any potential risks.
An element that is yellow in its natural state?
Sulfur is an element that is yellow in its natural state. It is commonly found in its pure form or in sulfide minerals, presenting a bright yellow color.
