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It is 131.293

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What is the mass number for 118 xenon?

Xenon is a non metal element. Mass number of it is 131.


What is xenon mass number?

Xenon is a non metal element. Atomic mass of it is 131.


What is the phase of the element xenon?

Xenon (Xe) is a nonmetalic gas. it has the atomic number of 54 with the atomic mass of 131.239.


Mass number of xenon?

The mass number of xenon is 131.


What is the atomic number of the element of Xenon?

Xenon is a non metal element. Atomic number of it is 54.


What element has an atomic mass of 131?

The element with atomic mass 131 is Iodine (I)


How many protons are in the element xenon?

54 protons in the element Xenon. Xenon has an atomic number of 54 and since the atomic number= number of protons there are 54 protons in xenon.


How much neutrons are in xenon?

Each isotope of an element has a different number of neutrons. Number of neutrons = Atomic mass of the isotope - Atomic number of the element The atomic number of xenon is 54. For the list of xenon isotopes see the link below.


What is the mass number of the most common isotope of the element Xenon?

The sewyer was left open. End of story.


An isotope of xenon has an atomic number of 54 and contains 77 neutrons. What is the mass number of the xenon isotope?

The atomic number of an element is the number of protons in its nucleus. Always. The mass number of an atom is the number of protons plus the number of neutrons in it. And that means an isotope of element 54 (xenon) that has 77 neutrons in its nucleus has a mass number of 54 + 77 or 131, and you'll have an atom of 131Xe. A link can be found below.


What is atomic number 54?

The element with atomic number 54 is xenon. Xenon is a noble gas that is very unreactive. Because atomic number is equal to the number of protons in an element, xenon can be determined to have 54 protons.


What is xeon's atomic mass?

Xenon is a metal element. Atomic mass of it is 131.29.