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An atoms what number is the sum of protons and neutrons?
The sum of protons and neutrons in an atom is called mass number.
The atomic mass is equal to the sum of?
The Atomic Mass number of an element is the sum of the protons and neutrons in the nucleus of an atom of that element.The relative atomic mass is the average atomic mass number of all the known isotopes of an element.
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.
In periodic table of elements it is the sum of the number of protons and neutrons of an atom.?
The sum of protons and neutrons is the atomic mass.
How is atomic number differ from mass number?
atomic mass is the number of protons in an atom mass number is the number of protons plus neutrons in an atom
An atoms what number is the sum of protons and neutrons?
The sum of protons and neutrons in an atom is called mass number.
The mass number of an atom indicates the number of what?
The mass number is the sum of protons + neutrons.
The sum of the number of protons in the number of neutrons in and Atom is the what?
The number of protons plus the neutron number is called the atomic mass or "mass number".
What is the sum of protons neutrons in an atom?
Mass number = Protons+Neutrons
The atomic mass is equal to the sum of?
The Atomic Mass number of an element is the sum of the protons and neutrons in the nucleus of an atom of that element.The relative atomic mass is the average atomic mass number of all the known isotopes of an element.
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 equals the number of neutrons plus the number of protons in an atom?
The sum of the number of protons and neutrons in an atom is known as the atomic mass. It is equivalent to the mass number of the atom, which represents the total number of protons and neutrons in the nucleus.
What areParticles that makes protons and neutrons?
The sum of the number of protons and neutrons in an atom
What is the sum of protons and neutrons in an atom?
Mass number!:)
How is the mass number related to the number of protons and neutrons and atoms has?
The mass number of an atom is the sum of its protons and neutrons. It represents the total number of nuclear particles (protons and neutrons) in the atom's nucleus. The number of protons in an atom determines its element, while the number of neutrons can vary to create different isotopes of the element.
In periodic table of elements it is the sum of the number of protons and neutrons of an atom.?
The sum of protons and neutrons is the atomic mass.
What is the sum of the protons and nuetrons in an atomic number?
atomic number is the number of protons. the sum of protons and neutrons is known as mass number
