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2
|
Particle with negative charge and doesn't contribute to the mass of an atom
|
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6
|
The group of electrons revolving around the nucleus of an atom
|
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7
|
Atoms with the same number of protons and a different number of neutrons
|
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10
|
A vacuum tube generating a focused beam of electrons
|
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11
|
A nickname of J.J.'s model
|
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12
|
A substance that can't be chemically separated into simpler substances
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1
|
British scientist who discovered the electron
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3
|
Particle with positive charge and contributes to the mass of an atom
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4
|
Smallest particle of all matter
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|
5
|
A diagram or an object that helps explain ideas about the natural world
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8
|
The very small center core of an atom
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9
|
Particle with no charge and contributes to the mass of an atom
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|
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