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Q: Which pair of isotope spontaneously decays in the reference table?
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Related questions

What is the radioactive isotope in the periodic table?

A normal periodic table does not list isotopes, but elements, almost all of which occur in more than one isotope, and there is probably at least one radioactive isotope for every element. Instead of the periodic table, a table of nuclides is needed to answer this question.


How many Nurtons are there in the periodic table?

Each element on the periodic table has a specific number of neutrons and will vary for its isotope.


Is deuterium on the periodic table of elements?

No. Deuterium is not an element in and of itself. It is an isotope of hydrogen.


How do you find the atomic number of an isotope?

The atomic number of an isotope is the same as the element it belongs to. You can find the atomic number of an isotope by identifying the element it is a part of on the periodic table.


What element on the periodic table has 210 and 84?

The radioactive element polonium has an isotope 21084Po.


What isotope has 20 protons and 22 neutrons?

The number on the periodic table is the number of protons it contains. The isotope number is the sum of the protons and neutrons.Therefore, the isotope with 20 protons and 22 neutrons is Calcium-42.


Why is technetiums relative atomic mass usually found in brackets on the period table?

because it is an isotope???


When was protactinium added to the periodic table?

Very probably in 1913, after the discovering of the first isotope of Pa.


What is the heaviest atom on the periodic table?

The heaviest atom known today is 294Uuo, an isotope of ununoctium.


How chemists use the periodic table?

as a reference tool


What atom has 4 protons and 3 neutrons?

Since it has 3 protons, look up element #3 in the periodic table. That element happens to be lithium. The specific isotope is lithium-7, where 7 is the sum of 3 + 4. Finally, you may want to look up "Lithium" or "Isotopes of lithium" in the Wikipedia (or in some other online reference) to check whether such an isotope actually exists.


Who does a book sitting on a table never accelerate spontaneously in response to the trillions of inter atomic acting with it?

The book does not accelerate spontaneously because the net force acting on it is balanced. The force of gravity pulling the book downwards is countered by the normal force exerted by the table, creating an equilibrium. This equilibrium prevents any spontaneous acceleration of the book.