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An atom's mass number equals the number of
Have an equal number of electrons and protons
naturally occurring isotopes
30
smaller and contains most of the atom's mass
protons plus the number of neutrons
neutral
O-16 and O-18
Neutrons have a negative charge
The atomic mass of an element is defined as the weighted average mass of that element's
Have an equal number of electrons and protons
naturally occurring isotopes
30
smaller and contains most of the atom's mass
protons plus the number of neutrons
neutral
O-16 and O-18
Neutrons have a negative charge
Compared to the entire atom, the nucleus of the atom is
Have an equal number of electrons and protons
naturally occurring isotopes
30
smaller and contains most of the atom's mass
protons plus the number of neutrons
neutral
O-16 and O-18
Neutrons have a negative charge
Which of the following statements is not true?
Have an equal number of electrons and protons
naturally occurring isotopes
30
smaller and contains most of the atom's mass
protons plus the number of neutrons
neutral
O-16 and O-18
Neutrons have a negative charge
An iron atom has an atomic mass of 56. Its atomic number is 26. How many neutrons does the iron atom have?
Have an equal number of electrons and protons
naturally occurring isotopes
30
smaller and contains most of the atom's mass
protons plus the number of neutrons
neutral
O-16 and O-18
Neutrons have a negative charge
The charge of an atom is
Have an equal number of electrons and protons
naturally occurring isotopes
30
smaller and contains most of the atom's mass
protons plus the number of neutrons
neutral
O-16 and O-18
Neutrons have a negative charge
Atoms have no electric charge because they
Have an equal number of electrons and protons
naturally occurring isotopes
30
smaller and contains most of the atom's mass
protons plus the number of neutrons
neutral
O-16 and O-18
Neutrons have a negative charge
Which symbols represent atoms that are isotopes?
Have an equal number of electrons and protons
naturally occurring isotopes
30
smaller and contains most of the atom's mass
protons plus the number of neutrons
neutral
O-16 and O-18
Neutrons have a negative charge
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