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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.
How is an isotope and mass number related?
It isn't, as such. Isotopes of the same element have different numbers of neutrons, and neutrons have a mas of one atomic mass unit (amu). So isotopes have different atomic masses, but being told the number of neutrons any isotope has, will not enable you to say what element or atomic mass it had, unless you remembered the details for every single isotope. Even then different elements can have the same number of neutrons. Isotopes do get named after their atomic mass however - uranaium 235 has an atomic mass of 235, for instance.
What element has a mass number of 144?
Neodymium, Nd, has an isotope with a mass number of 144. Samarium, Sm, also has an isotope with a mass number of 144.
An isotope of radon has 86 protons and 137 neutrons what is the mass number of this isotopes?
An isotope of indium has 77 protons and 115 neutrons. What is the mass number of this isotope
What is titanium's atomic mass number of the most common isotope?
The mass number of the most common titanium isotope is 48.
What is the mass number of the Xenon isotope?
154
How do you calculate xenon neutrons?
Xenon has a variety of isotopes, each with a different number of neutrons. The most common isotope, Xenon-132, has 77 neutrons. To calculate the number of neutrons in a xenon isotope, subtract the number of protons (which is equal to the atomic number) from the mass number of the isotope.
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.
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.
Mass number of xenon?
The mass number of xenon is 131.
How many protons nuetrons and electrons are in an atom of xenon?
Xenon's, or Xe's, atomic number is 54. That means that, if it's electrically neutral, it always has 54 protons and 54 electrons. The number of neutrons in a xenon atom can differ, though, depending on the isotope. The most common isotope of xenon has 78 neutrons, but there are other isotopes with a different number of neutrons in them that are fairly common as well.
How many neutrons are are in the nucleus of one atom of xenon?
There are 77 Neutrons in the nucleus of one atom of Xenon
How many subatomic particles are in the element xenon?
The "subatomic" particles in atoms are usually considered to be only protons, neutrons, and electrons, although these may contain sub-subatomic particles such as quarks and gluons. Every atom of xenon contains 54 protons and 54 electrons, because 54 is the atomic number of xenon. Every atom of xenon also contains neutrons. The lightest naturally occurring and radioactively stable isotope of xenon is Xe-124. Since the mass number is the sum of protons and neutrons, the total of protons, electrons, and neutrons for this isotope is 124 + 54 or 178. The number of particles for any other isotope of xenon may be found by adding the mass number to the atomic number.
Xenon has many isotopes How many netrons does it have?
The numer of neutrons depends on the isotope, which, as you've noted, Xenon has several of. Pick one.
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.
