That depends on the nuclear decay type. For gamma decay, the identity does NOT change, but for alpha and beta, it does.
The kWh produced by nuclear energy is the cheapest. It is a clean energy that does not pollute the environment. It gives chance for people to work during its construction and operation. It is reliable source of energy.
During President Clinton's term, international inspectors were not allowed to look at North Korean sites where nuclear waste was being dumped because the North Koreans did not want people to know what was going on. That country continues to keep much of their nuclear capability a secret from the rest of the world.
No.
Copper-67 undergoes beta decay with a halflife of 59 hours, becoming stable Zinc-67.
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During nuclear decay, an isotope of an element changes by emitting radiation, such as alpha or beta particles, or gamma rays. This process results in the isotope transforming into a different element or a different isotope of the same element. The change is necessary to achieve a more stable configuration, typically by adjusting the number of protons and neutrons in the nucleus.
No, mass does not increase during a nuclear change. According to the principle of mass-energy equivalence (E=mc^2), the mass of the reactants is converted into energy during a nuclear change.
"Substance" is too fuzzy a word. Chemical reactions can change materials into other compounds, for example shiny iron into rust (Fe2O3). But it cannot change an element into another element. A nuclear reaction can do that, for example uranium into plutonium.
Plutonium, an element not found in nature, is formed from uranium during reactor operation
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By losing protons. Atomic number determines what kind of element it is. ---------------------------- This can only happen if the nucleus changes its number of protons because the nucleus is unstable and undergoes radioactive decay. As it changes it will emit some form of radiation
helium-4
no you get a random element and you dont change it
According to Dalton's atomic theory chemical reactions occur when atoms are separated, joined, or rearranged. Atoms of one element, however, are never changed into atoms of another element as a result of a chemical reaction (it is possible only during nuclear reactions and radioactive disintegration).
New elements(or isotopes of decaying element) are produced and energy is released
During chemical reactions atoms remain unchanged.
Elements are created that differ from the reactants.