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Answered 2012-09-17 13:00:20

Hi. Every element has a specific number of protons in its nucleus. There can be one or many neutrons in the same nucleus. The difference in mass is equal to the change in the number of neutrons.

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What is the difference between the atomic number and atomic mass?

The atomic number is the number of protons in an atom of an element, while the atomic mass is the mass of protons and neutrons of a specific isotope of a given element.


What element has the atomic mass of 22?

An isotope of Neon. This isotope accounts for between a fifth and a quarter of the element.


How many neutrons are in neptunium?

144 neutrons in neptunium 237; the number of neutrons is the difference between the atomic mass of an isotope and the atomic number of the element.


How do you find the number of neutrons when an element has a charge?

In any isotope of any element, the number of neutrons in a particular atom is equivalent to the difference between the relative atomic mass and atomic number.


How many neutrons are in calcium?

The number of neutrons is the difference between the atomic mass of an isotope and the atomic number of the element; each isotope of calcium has a different number of neutrons. See the link below for calcium isotopes.


How many neutrons in calcium?

The number of neutrons is the difference between the atomic mass of an isotope and the atomic number of the element; each isotope of calcium has a different number of neutrons. See the link below for calcium isotopes.


What is the average atomic mass of an element is the average atomic masses of what kind of isotopes?

average atomic massof an element=(Atomic mass of first isotope X % of that isotope) + (Atomic mass of second isotope X % of the second isotope)


How do you find the number of neutrons an isotope has?

Neutron is the difference btw the atomic no and the mass no of an element.


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

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


An isotope shares the atomic number with its element atom How does it differ from the element atom?

An isotope shares the atomic number with its element atom. How does it differ from the element atom?


How do you calculate the atomic weight of a chemical element that has two or more isotopes?

Calculation of the atomic weight of an element having many isotopes:ia - atomic mass of the isotope a x percent concentration of the isotope in the elementib - atomic mass of the isotope b x percent concentration of the isotope in the elementic - atomic mass of the isotope c x percent concentration of the isotope in the element...........................................................................................................................iz - mass of the isotope z x percent concentration of the isotope in the elementMake the sum: I = ia + ib + ic + ..... izThe atomic weight of the element is: I/100 (the term weight is recommended by IUPAC in this case).


What is the atomic number of isotope?

Well all Isotopes have the same atomic number so if you have the element the atomic number of an element with that same isotope is that same atomic number.


How many neutrons does a zirconium isotope have?

It depends on the atomic mass number of the isotope. The number of neutrons equals the difference between the atomic number and the atomic mass number.


How many neutrons does Krytpon-82 have?

The answer to how many neutrons an atom of an isotope has is always the difference between the mass number of the isotope and the atomic number of the element. The atomic number of krypton is 36. Therefore, an atom of krypton-82 has 46 neutrons.


Why need to know the percentage of each isotope of an element to determine the atomic mass?

Because each isotope of an element has a mass different from any other isotope of the same element, and the atomic mass of an element is an average, weighted by the proportion of each isotope, in the naturally occurring element.


How many neutrons does the element californium have?

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What does the isotope of an element have?

The isotope of an element is basically the same element, with more or less neutrons that slightly change the atomic mass of it.


Which is a factor in determining the average atomic mass of an element?

The two main factors in determining the average atomic mass of an element are:the isotopic composition of the element (the fraction of each isotope)the atomic mass of each isotope


What is difference between mass number and atomic number?

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How many neutrons does meitnerium?

Number of neutrons = Atomic mass of an isotope - Atomic number of the element The atomic number of meitnerium is 109. Each isotope of an element has a different number of neutrons.


How many neutrons does berkelium have?

Number of neutrons = Atomic mass of an isotope - atomic number of the element The atomic number of berkelium is 97.Number of neutrons = Atomic mass of an isotope - atomic number of the element The atomic number of berkelium is 97.


What is the difference between the atomic number and the atomic mass?

Atomic mass is the mass of 1 mole of the element. Atomic number is the number of protons the element has


How many neutrons does the element Iron have?

Number of neutrons = Atomic mass of an isotope - atomic number of the isotope The atomic number of iron is 26;


How do scienctist tell the difference between two isotope of the same element?

Isotopes of the same element are determined based off the number of neutrons the atom has which is directed related to the atomic mass of the element( the more neutrons the greater the mass of that atom). Because you can not change the number of protons in an atom without changing the element, scientist differentiate isotopes based off the atomic mass of the isotope.


Isotopes of a given element have what?

An isotope has same number of protons but a different number of neutrons as the original element in the atomic nucleus; it has the same atomic number as the element which isn't an isotope, but will have a different mass number. -atomic number