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What scientist first developed the idea of the atom?
2
Neutron
The electrons are much less massive than the rest of the atom.
It has an atomic number of 16.
Isotopes
Democritus
Protons and Neutrons
10
If a neon atom has the second electon level completely filled, how many electrons does the atom contain total?
2
Neutron
The electrons are much less massive than the rest of the atom.
It has an atomic number of 16.
Isotopes
Democritus
Protons and Neutrons
10
Why is the mass of an atom's electrons not included in the mass number?
2
Neutron
The electrons are much less massive than the rest of the atom.
It has an atomic number of 16.
Isotopes
Democritus
Protons and Neutrons
10
What part of an atom is refered to by the mass number?
2
Neutron
The electrons are much less massive than the rest of the atom.
It has an atomic number of 16.
Isotopes
Democritus
Protons and Neutrons
10
If an atom of atomic number 4 has a +2 overall charge, how many electrons does the atom contain?
2
Neutron
The electrons are much less massive than the rest of the atom.
It has an atomic number of 16.
Isotopes
Democritus
Protons and Neutrons
10
If an atom has a mass number of 33 and has 17 neutrons in the nucleus, what else is true about this atom?
2
Neutron
The electrons are much less massive than the rest of the atom.
It has an atomic number of 16.
Isotopes
Democritus
Protons and Neutrons
10
What term is used to refer to two atoms of the same element with different atomic masses?
2
Neutron
The electrons are much less massive than the rest of the atom.
It has an atomic number of 16.
Isotopes
Democritus
Protons and Neutrons
10
Which part of an atom contains the most mass?
2
Neutron
The electrons are much less massive than the rest of the atom.
It has an atomic number of 16.
Isotopes
Democritus
Protons and Neutrons
10
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