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Neutrons in the nucleus of the element's atoms. It is the number of protons in the nucleus that determines what the element is. It is the total of neutrons and protons in the nucleus that gives the isotope number. Uranium generally comes in two isotopes, U235 and U238. All uranium is radioactive -- that is, it will decay into other elements over time. U238 is much more common and is very long lived radioactively and is not explosive and cannot be made into atomic bombs. U235 is much rarer, but is highly radioactive and can be made into atomic bombs. The two isotopes are mixed together at the atomic level. This is what Iran is trying to do now in it's efforts to concentrate enough U235 to make a bomb -- the process is called "enrichment."
What else can I help you with?
What isotopes are atoms of the same elements with different number of?
Isotopes are atoms of the same elements with different number of neutrons.
Why the mass number of the same atom of an element is not constant?
Since you have isotopes of elements. Isotopes are elements with different number of neutrons hence why the different atomic masses for the same elements.
What is the same about isotopes of the same elements?
The isotopes of the same element have an identical number of protons and electrons; the number of neutrons is different.
Where can isotopes be found?
elements are isotopes, when different atoms of the same element have different number of neutrons
Isotopes of elements?
Isotopes of elements are atoms with the same number of protons but different numbers of neutrons. This causes isotopes of the same element to have different atomic masses. Isotopes can be stable or unstable, with unstable isotopes undergoing radioactive decay.
How the elements of isotopes are alike and how they are different?
Elements can exist in the form of different isotopes. Isotopes of the same element have the same number of protons in their nuclei but have different numbers of neutrons. The first gives them the same atomic number and chemical properties while the second gives them different atomic weights.
Why isotopes of the same element are not considered different elements?
Isotopes of the same element have the same number of protons, which is what defines an element. The only difference between isotopes is the number of neutrons in the nucleus. Since isotopes of an element have the same chemical properties, they are not considered different elements.
Isotopes of uncharged elements have different numbers of which of these?
Isotopes of an element have nuclei with the same number of protons (the same atomic number) but different numbers of neutrons Neutrons (:
Two atom of the same elements with different mass number was?
ISotopes
What do you call atoms of the same elements with different nucleon number?
isotopes
Which isotopes of uncharged elements have different numbers?
Isotopes of uncharged elements have the same number of protons (which determines the element), but different numbers of neutrons. For example, carbon-12 and carbon-14 are isotopes of carbon with different numbers of neutrons but the same number of protons.
Two atoms of same elements with different masses?
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