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British physicist J.J. Thomson was the first to identify the
an excited state
discovering the internal structure of the atom
the positive charge of the alpha particles and the negative charge of the electrons
The electron cloud shows the movement of electrons
atoms and molecules
electron
a nucleus
the electron cloud
A electron enters ___________when it has absorbed energy and moved to a higher energy level.
an excited state
discovering the internal structure of the atom
the positive charge of the alpha particles and the negative charge of the electrons
The electron cloud shows the movement of electrons
atoms and molecules
electron
a nucleus
the electron cloud
Which of the following models shows how unpredictable electrons are?
an excited state
discovering the internal structure of the atom
the positive charge of the alpha particles and the negative charge of the electrons
The electron cloud shows the movement of electrons
atoms and molecules
electron
a nucleus
the electron cloud
Electrons are never found in-
an excited state
discovering the internal structure of the atom
the positive charge of the alpha particles and the negative charge of the electrons
The electron cloud shows the movement of electrons
atoms and molecules
electron
a nucleus
the electron cloud
Dalton's experiments advanced our understanding of the atom without
an excited state
discovering the internal structure of the atom
the positive charge of the alpha particles and the negative charge of the electrons
The electron cloud shows the movement of electrons
atoms and molecules
electron
a nucleus
the electron cloud
In Rutherford's gold foil experiment the alpha particles pass through which part of the atom?
an excited state
discovering the internal structure of the atom
the positive charge of the alpha particles and the negative charge of the electrons
The electron cloud shows the movement of electrons
atoms and molecules
electron
a nucleus
the electron cloud
The building blocks of matter are
an excited state
discovering the internal structure of the atom
the positive charge of the alpha particles and the negative charge of the electrons
The electron cloud shows the movement of electrons
atoms and molecules
electron
a nucleus
the electron cloud
Which of the following properties did Rutherford use in his experiment?
an excited state
discovering the internal structure of the atom
the positive charge of the alpha particles and the negative charge of the electrons
The electron cloud shows the movement of electrons
atoms and molecules
electron
a nucleus
the electron cloud
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