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The isotope sodium-20 has how many neutrons?
number of protons
mass numbers
number of neutrons
the average mass of all the different isotopes of the atom.
6.02 x 10^23 atoms
11
adding the number of protons and number of neutrons in the atom.
9
The value of the atomic mass of an atom is
number of protons
mass numbers
number of neutrons
the average mass of all the different isotopes of the atom.
6.02 x 10^23 atoms
11
adding the number of protons and number of neutrons in the atom.
9
Isotopes of the same element have different
number of protons
mass numbers
number of neutrons
the average mass of all the different isotopes of the atom.
6.02 x 10^23 atoms
11
adding the number of protons and number of neutrons in the atom.
9
All atoms of the same element have the same
number of protons
mass numbers
number of neutrons
the average mass of all the different isotopes of the atom.
6.02 x 10^23 atoms
11
adding the number of protons and number of neutrons in the atom.
9
The isotope carbon-17 has how many neutrons?
number of protons
mass numbers
number of neutrons
the average mass of all the different isotopes of the atom.
6.02 x 10^23 atoms
11
adding the number of protons and number of neutrons in the atom.
9
Isotopes of the same element have different
number of protons
mass numbers
number of neutrons
the average mass of all the different isotopes of the atom.
6.02 x 10^23 atoms
11
adding the number of protons and number of neutrons in the atom.
9
The atomic mass of an atom can be found by
number of protons
mass numbers
number of neutrons
the average mass of all the different isotopes of the atom.
6.02 x 10^23 atoms
11
adding the number of protons and number of neutrons in the atom.
9
One mole of copper equals about how many atoms?
number of protons
mass numbers
number of neutrons
the average mass of all the different isotopes of the atom.
6.02 x 10^23 atoms
11
adding the number of protons and number of neutrons in the atom.
9
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