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How many transi tion elements does mendelevium have?
Mendelevium is an artificial, radioactive element, actinides group. Md don't contain another elements !
How does artificial transmutation differ from artificial radioactivity?
"Artificial transmutation" is a nuclear reaction induced in laboratory, its man made. Artificial radioactivity is a radioactive disintegration phenomenon supported by artificial isotopes.
All isotopes of this element are radioactive?
Radioactive Elements (38) These elements are radioactive. They either have no stable naturally occurring isotope, or else are entirely artificial (all artificial elements have no stable isotopes). by Andrew Moore
What is the most dangerous element in the transition you?
You think probable to artificial radioactive elements considered transition metals.
Characteristics for uraniums family of elements?
Uranium is a member of the actinoids family. These chemical elements are:- they are considered frequently transition metals- they are radioactive elements- some are artificial elements- they have variable valence
Why is uranium radioactive?
Positives repel each other. In an atom, the nucleas is full repelling protons with their positive charge. It is the nuclear force that holds them together in the nucleus. A Helium atom has only 2 protons which makes it more stable.Uranium on the other hand, has 92 protons all squashed together. This makes it very unstable which allows it to undergo gamma radiation.That is why Uranium is radioactive.Unstable atoms as uranium are radioactive; the stability depends on the ratio between protons and neutrons.
Are all transition elements are radioactive?
Not all of the transition elements are radioactive. Many of them are, and some of them have common radioactive isotopes, but some of them have no naturally occurring radioactive isotopes. Please note that all elements have synthetic radioactive isotopes, at least.
What is different about all the elements listed after uranium?
All are radioactive, artificial elements (but note that Np and Pu can exist also naturally in extremely low concentrations).
Does all radioactive substances are manmade or artificial?
Radioactive elements both occur in nature (Uranium is the prime example) and are made through the works of man (Plutonium is man-made).
What is is the unusual fact of mendelevium?
Mendelevium is a metal, radioactive, artificial, transuranic; nothing special compared with the other superheavy elements
How many elements are there that are artificial?
15
How many radioactive isotopes are known?
Today are known approx. 3 000 radioactive isotopes, natural or artificial.
