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The current model of the atom shows electrons in a cloud surrounding the nucleus. How does the electron cloud model differ from the Bohr model?
in the center
subatomic particles
Conductive and ductile
an atom of Beryllium
Both are made of atoms.
metalloids
The electron cloud shows a region in which electrons are likely to be found.
J. J. Thomson
Which of the following scientists added negatively-charged particles to the model of the atom?
in the center
subatomic particles
Conductive and ductile
an atom of Beryllium
Both are made of atoms.
metalloids
The electron cloud shows a region in which electrons are likely to be found.
J. J. Thomson
Which are properties of metals?
in the center
subatomic particles
Conductive and ductile
an atom of Beryllium
Both are made of atoms.
metalloids
The electron cloud shows a region in which electrons are likely to be found.
J. J. Thomson
What type of element are semiconductors?
in the center
subatomic particles
Conductive and ductile
an atom of Beryllium
Both are made of atoms.
metalloids
The electron cloud shows a region in which electrons are likely to be found.
J. J. Thomson
Where is the nucleus located in the atom?
in the center
subatomic particles
Conductive and ductile
an atom of Beryllium
Both are made of atoms.
metalloids
The electron cloud shows a region in which electrons are likely to be found.
J. J. Thomson
Which of the following is not made up of atoms?
in the center
subatomic particles
Conductive and ductile
an atom of Beryllium
Both are made of atoms.
metalloids
The electron cloud shows a region in which electrons are likely to be found.
J. J. Thomson
Beryllium is an element. What is the smallest particle of Beryllium that has all the chemical properties of calcium?
in the center
subatomic particles
Conductive and ductile
an atom of Beryllium
Both are made of atoms.
metalloids
The electron cloud shows a region in which electrons are likely to be found.
J. J. Thomson
Think about a metal desk and a pencil. What do these two objects always have in common?
in the center
subatomic particles
Conductive and ductile
an atom of Beryllium
Both are made of atoms.
metalloids
The electron cloud shows a region in which electrons are likely to be found.
J. J. Thomson
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