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Polonium-210 has 126 neutrons.

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Q: What is the number of neutrons in a polonium atom that has a mass number of 210?
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Related questions

How many protons nuetrons and electrons are in and atom of polonium?

Polonium has: 84 protons and 84 electrons.For each isotope the number of neutrons is different. Number of neutrons = Mass number of an Po isotope – 84


What is the number of neutrons in polonium?

Depending on the isotope. Number of neutrons = Atomic mass of the isotope - 84


What is the number of neutrons in an atom affects the atomic what?

The number of neutrons in an atom can affect the atomic mass of an atom.


How many protons neutrons and electrons are in polonium?

Polonium has 84 protons and electrons; the number of neutrons is different for each isotope: Number of neutrons = Atomic mass of an isotope - Atomic number of polonium (84)


Is the number of neutrons in an atom known as its mass number?

No, neutrons + protons = mass


What is the total amount of protons and neutrons in an atom?

The total amount of protons and neutrons in an atom is its mass number.


How many neutrons and protons in polonium 209?

84 protons, 84 electrons and 136 neutrons.


What is the sum of protons and neutrons in an atom?

Mass number!:)


How many protons and neutrons does polonium have?

The more stable polonium atoms have 125 neutrons. As with other elements, polonium atoms can have varying numbers of isotopes (variants with different number of neutrons).Polonium has 33 isotopes ranging from 104 to 136 neutrons.


What does the number of neutrons determine?

they determine the atomic mass of the atom


What is the mass number of a atom?

the mass number is number of protons in an atom, plus the number of neutrons.


Which subatomic particles makes up most of the mass off the atom?

The major contribution to the mass of an atom is from protons and neutrons; electrons have a known but negligible mass.