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Mendelevium 256 has 155 neutrons and mendelevium 258 has 157 neutrons.

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Q: Mendelevium -256 and mendelevium-258 what is the difference between the nuclei of these two isotopes?
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What is the difference between mendelevium-256 and mendelevium-258?

They are the isotopes. Because of the difference in the number of neutrons by 2 they have been named that way.


What is the number of neutrons in a single atom of mendelevium?

The number of neutrons is equal to the atomic mass of an isotope minus the atomic number (or the protons number) of the element. The atomic number of mendelevium is 101 and Md has isotopes with atomic masses between 245 and 260.


What is the difference between isotopes and a radioisotope?

pigs and farts


What is the major difference between isotopes?

Different numbers of neutrons, e.g. deuterium and tritium are isotopes of hydrogen.


What are the isotopes of chlorine and what is the difference between them?

Please see the link.


The main difference between isotopes of the sameelement has to do with the number?

mass number


What do two neutral isotopes of the element have in common?

The same numbers of protons and of electrons; the difference between isotopes is in the number of neutrons.


How do scientist tell the different between two isotopes of the same element?

scientists Can tell the difference between two isotopes of the same element because, isotopes of the same elements always have the same number of protons.


Can 2 isotopes of the same element differ in the number of electrons?

No. The only difference between 2 isotopes of the same element is the number of neutrons.


How do you know the difference between isotopes and an element?

Isotopes are atoms of an element having different number of electrons.


What is the difference between isotopes and iso bars?

Hello! :D I bet you were expecting an answer huh?


What is the main difference between the isotopes of hydrogen?

The number of neutrons is different for each isotope.