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atomic number
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What is the sum of protons and neutrons in an atom?
Mass number!:)
What is the mass number of a zinc atom that has 37 neutrons?
The mass number of an atom is the sum of its protons and neutrons. For a zinc atom with 37 neutrons, the mass number would be the number of protons (30 for zinc) plus the number of neutrons (37), which equals 67.
The mass number of an atom indicates the number of what?
The mass number is the sum of protons + neutrons.
An atom with 55 protons and 76 neutrons?
An atom with 55 protons is a cesium atom. The mass number is the sum of the numbers of protons and neutrons, in this instance 131. Therefore, the atom is Cs-131.
What is the mass number of 10 protons and 10 neutrons?
20. the mass of an atom is determined by the sum of the number of neutrons and protons the atom has.
What The atomic mass of an atom equals the sum of the masses of the?
Protons and neutrons.
What is the sum of the protons and neutrons in an atom equals to?
The nucleon number (or mass number).
What is the sum of protons neutrons in an atom?
Mass number = Protons+Neutrons
What makes up nearly all of the atom's mass?
The sum of all Protons and Neutrons.
What areParticles that makes protons and neutrons?
The sum of the number of protons and 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 is used to calculate the number of?
protons and neutrons in an atom. It is the sum of protons and neutrons in the nucleus of an atom.
What is the sum of protons and neutrons in an atom?
Mass number!:)
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.
An atoms mass number equals the combination of what two things?
The mass number of an element is equal to the sum of the elements neutrons and protons.
The mass number of an atom of calcium with 20 protons and 20 neutrons is?
The mass number of an atom is the sum of the protons and neutrons in its nucleus. Therefore, for an atom of calcium with 20 protons and 20 neutrons, the mass number would be 40.
What is the atomic mass of a atom?
The atomic mass of an atom is the total mass of protons, neutrons, and electrons in the atom, measured in atomic mass units (amu). It is approximately equal to the sum of the number of protons and neutrons in the atom's nucleus.
