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This cannot be done because the Atomic Mass number also depends on the number of neutrons. Different isotopes of an element have different numbers of neutrons. You just add up the number of protons and neutrons to get the atomic mass number (simple!). For example, neon-20 has 10 protons and 10 neutrons, but neon-22 has 10 protons and 12 neutrons.

In the most famous case, uranium-235 has 143 neutrons per atom, but uranium-238 has 146 neutrons. Both isotopes have 92 protons per atom. This 92 is what makes them both uranium.

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Given a number of protons and the elemental mass how do you determine the numbers of nuetrons?

Subtract the number of protons from the elemental mass number for the isotope of the element given to find the number of neutrons.


How do you find the number of neutrons when given a mass number?

Number of neutrons = Mass number - Number of protons


How do you figure out many protons there are if you are givin the atomic number and number of neutrons?

The atomic number IS the number of protons. if you are given the mass number, then subtract the number of protons from it.


How do you find the mass number given the proton electrons and atomic number but not the neutrons?

The mass number of an atom is the number of protons plus the number of neutrons. This is is the same as the number of electrons plus the number of neutrons since the number of protons is the same as the number of electrons in an atom.


What is the mass number for an atom of cobalt that has 33 neutrons?

The mass number for an atom is the sum of its protons and neutrons. Given that cobalt has 27 protons, an atom with 33 neutrons would have a mass number of 60 (27 protons + 33 neutrons).


What is the mass number of 80Br?

The mass number of a nucleus is the sum of the number of protons and neutrons in the nucleus. Given that bromine has an atomic number of 35, the mass number of 80Br can be calculated as (35 protons + 45 neutrons) = 80.


What is the atomic number for an element with 37 neutrons and a mass number of 72?

The mass number is the amount of protons and neutrons in an element. The atomic number is equal to the amount of protons. Therefore to get the number of protons from the given information, you would subtract 37 from 72 which gives you 35 protons aka its atomic number!


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

The atomic number represents the number of protons in an atom's nucleus. It determines the element's identity. Atomic mass is the average mass of an atom of an element, taking into account its isotopes and their abundance. It is the sum of the protons and neutrons in the nucleus.


How is the atomic number and mass number different?

The atomic number is the number of protons in the nucleus of an atom of any given element. The mass number is the number of protons and neutrons in the nucleus of an atom of an isotope of an element.


What is the mass number of a sulfur atom with 17 neutrons?

S with 17 neutrons and 16 protons has a mass number of 33 amu


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

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


What is atomic mass A and neutron number N for given atom?

Atomic mass is the number of protons and neutrons that make up an atom. The neutron number is only the number of neutrons present in the atom. This can be found by subtracting the number of protons from the atomic mass.