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How do you you find the mass number of an atom?
To find the mass number of an atom, you add together the number of protons and neutrons in the nucleus of the atom. The atomic mass listed in the periodic table is the weighted average of the mass numbers of all isotopes of that element.
What is the number of an atom with 5 protons and 7 neutrons?
To the find the mass number of an atom you add the protons and neutrons. Meaning that the mass number of this atom is 12.
How do you find the number of nutrons in an atom?
Find out how many protons (atomic number) and what the mass number of a particular element is. Then subtract the number of protons from the rounded mass number to get the number of neutrons in a particular atom.
What Used to find the number of neutrons?
To find the number of neutrons in an atom, subtract the atomic number (number of protons) from the atomic mass number. Neutrons are uncharged particles found in the nucleus of an atom and their number can vary for a given element based on isotopes.
How do you find out the mass of an atom?
By the addition of the number of protons and the number of electrons
How do you find the neutrons for an atom?
Neutrons = Mass number - Number of Protons
What is used to find the mass of an atom?
The mass of an atom is obtained dividing the atomic weight of an isotope by the Avogadro number.
How many electrons does an atom has?
It depends on the atom you are reffering to, but to find the electrons take away the number of protons from the mass number of the atom.
What makes an atoms mass number?
An atom's mass number is determined by the sum of its protons and neutrons. Protons have a positive charge and determine the element's identity, while neutrons help stabilize the nucleus and contribute to the atom's mass.
What can you find with the atomic number and mass number?
atomic number is the number of protons in the atom. mass number is protons and neutrons combined.
How do you tell how many neutrons are in an atom with the atomic number of 12?
To find the number of neutrons in an atom with an atomic number of 12 (which is the number of protons), you would subtract the atomic number from the atomic mass number. The atomic mass number is the sum of the protons and neutrons in the atom. For an atom with an atomic number of 12, the number of neutrons can be calculated by subtracting 12 from the atomic mass number given for that specific atom.
How do yo find an atoms mass number?
The mass number of an atom is determined by adding together the number of protons and neutrons in the nucleus of the atom. This information can be found on the periodic table of elements where the mass number is typically listed underneath the symbol of the element.
