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Q: How many nucleons are there in a electrically neutral isotope if the atomic number is 56 and the atomic mass is 130?
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What is the atomic mass of an atom consists of the mass?

the mass of an atom is concentrated in a very small central portion of the atom which is called the atomic nucleus. The atomic nucleus is made up of nucleons, of which there are two important fundamental types: electrically positive protons and electrically neutral neutrons. So the Answer for the question is: Neutrons and Protons.


How many protons and electrons and nuetrons does scadium have?

Scandium's, or Sc's, atomic number is 21. Its most common isotope has an atomic mass of 45. Since an electrically neutral atom's atomic number is equal to its number of protons as well as its number of electrons; and since the number of neutrons in a particular isotope of an atom is equal to its atomic mass minus its atomic number, the number of neutrons of the most common isotope of neutral scandium is 45 - 21 = 24.


What is an atomic particle that has no charge or is electrically neutral?

a neutron


Is the difference between the mass number of an isotope and its atomic number is equal to the number of nucleons in the nucleus?

It is equal to the number of neutrons in the nucleus, not nucleons (which include both protons and neutrons.)


How many electrons in atom with atomic number of 9 and atomic mass of 19 and is electrically neutral?

Since the atom is electrically neutral, the number of electrons must be the same as the number of protons in the atom, which is the definition of atomic number. Therefore, there are 9 electrons.


How many electrons and neutrons does potassium has?

Potassium's atomic number is 19. That means that it must have 19 protons and 19 electrons to be electrically neutral. 39K is potassium's most common isotope, with 39 - 19 = 20 neutrons.


Calcium has an atomic mass of an atomic number of 20 so the number of neutrons must be?

The number of neutrons is different for each isotope of an element: Number of neutrons of an isotope = atomic mass of the isotope - atomic number of the element Calcium has also 20 protons and 20 electrons.


What atoms has the zero value?

In terms of atomic mass, the atom with a zero value is the neutron, as it has a mass close to zero. However, in terms of atomic charge, an atom with a zero value is a neutral atom, meaning it has an equal number of protons and electrons canceling out their charges.


How many electrons and nuetrons are in magnesium?

Magnesium's atomic number is 12. Thus, to be electrically neutral, it must have 12 protons and 12 electrons. 24Mg is magnesium's most common isotope having 24 - 12 = 12 neutrons.


How many protons electrons and neutrons are in Cerium?

Cerium's atomic number is 58. Thus, to be electrically neutral, cerium must have 58 protons and 58 electrons. 140Ce is its most abundant isotope with 140 - 58 = 82 neutrons.


In electrically neutral atoms the number of protons is the same as the number of .?

atomic number = number of protons = number of electrons (in a neutral atom)


An electrically neutral atom of oxygen is likely to have this number of electrons?

Eight, the atomic number of oxygen.