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Every sodium atom has 11 protons, the atomic number of sodium. The isotope with mass number 23 has (23 - 11) or 12 neutrons, because the mass number of an isotope is defined as the sum of the numbers of protons and neutrons in the isotope.

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11y ago
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9y ago

Atomic number of magnesium is 12. That means it has 12 protons.

23 - 12 = 11 neutrons.

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14y ago

it is the unstable isotope of Magnessium having 12 protons and 15 neutrons.

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8y ago

This is an isotope of Mg.There are 12 protons and electrons. 13 neutrons.

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Q: How many neutrons and protons does a neutral atom of sodium with an atomic mass number of 23 have?
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How do you figure out protons electrons neutrons?

Find the atomic number. That tells you the number of protons and electrons (in a neutral atom). Then find the atomic weight. The number of protons plus the number of neutrons will equal the atomic weight. So if you know the wt. just subtract the number of protons and you will have the number of neutrons.


What is the difference between atomic mass?


What are the relationship between protons and neutrons in a atom?

The atomic number corresponds to the number of protons in the nucleus of an atom. It also corresponds to the number of electrons in a neutral atom. A neutral atom, you'll recall, is one where the number of electrons equals the number of protons in the nucleus of an atom. We remember that atoms often "loan out" or "borrow" electrons, so the electron count will not always equal the proton count.


How do the numbers of protons, number of neutrons, and the mass number related?

mass no. = no. of protons + no. of neutrons


What is the atomic number of an neutral atom witt 22 electrons and 26 neutrons?

22: The atomic number is defined as the number of protons in the atom, but since the atom is neutral, the number of protons must be the same as the number of electrons.

Related questions

How many protons neutrons and electrons are in a neutral atom of 64Cu atomic number 29?

There are similar number of neutrons and protons. It contains 29 neutrons and protons.


What number is used to determine how many electrons are in a neutral atom?

The atomic number (the number of protons in the atom). Neutral charge = 0 = (number of protons - number of neutrons). Therefore, number of protons = number of neutrons


How do you figure out protons electrons neutrons?

Find the atomic number. That tells you the number of protons and electrons (in a neutral atom). Then find the atomic weight. The number of protons plus the number of neutrons will equal the atomic weight. So if you know the wt. just subtract the number of protons and you will have the number of neutrons.


What is the difference between atomic mass?


How do you determine the number of protons electrons and neutrons present in an element by identifying its atomic and mass numbers from the periodic table?

Atomic number means number of protons present in an atom. Atomic number= number of protons. mass number = number of neutrons+ number of protons. So if you subtract the number of protons you get neutrons and if you subtract neutrons you get protons. mass number - protons= neutrons Mass number - neutrons = protons.


Difference between atomic and mass number?

Atomic number shows the number of protons in an element and the mass number shows the number of protons+neutrons In an electrically neutral atom, atomic number is also the number of electrons .


Neutral atom with 30 protons and 34 neutrons what is atomic number?

30 protons defines the atomic number. It matters not how many neutrons there are. The atomic number is 30, and the element is Zn (zinc).


How many protons electrons and neutrons does Si-29 has?

Silicon-29 has 14 protons (atomic number), 14 electrons if the atom is neutral, and 15 neutrons (mass number - atomic number).


How many neutrons are in one atom in fluorine?

subtract the atomic number by the Atomic Mass, and that is the answer. if its a neutral atom, there are probably the same number neutrons as protons.


What is another term for neutron number?

In a neutral atom the protons and neutrons are equal; protons are determined by the element's atomic number. Therefore, the "neutron number" can refer to the atomic number- in a neutral atom only.


How do you find the number of neutrons protons and electrons in an atom if the atom is neutral?

The number of electrons in an atom is always equal to the number of protons in that same atom. Since the atomic mass of a periodic element equals the weight of the atoms protons AND its neutrons, the following equation can be used to calculate the number of any given particle in an atom: number of neutrons = atomic mass - atomic number


What are the relationship between protons and neutrons in a atom?

The atomic number corresponds to the number of protons in the nucleus of an atom. It also corresponds to the number of electrons in a neutral atom. A neutral atom, you'll recall, is one where the number of electrons equals the number of protons in the nucleus of an atom. We remember that atoms often "loan out" or "borrow" electrons, so the electron count will not always equal the proton count.