Chapter 4 Sec. 1 Vocabb Flashcards
1
Q
Atom
A
The smallest unit of an element that is maintains the properties of that element
2
Q
Electron
A
a subatomic particle that has a negative charge
3
Q
Electron Cloud
A
a region around the nucleus of an atom where electrons are likely to be found
4
Q
Nucleus
A
In physical science, an atom’s central region, which is made up of protons and neutrons
5
Q
Democritus
A
Thought that you would eventually end up with a particle that could not be cut
6
Q
Aristotle
A
Believed that you would never end up with a particle that could not be cut
7
Q
John Dalton
A
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8
Q
J.J. Thompson
A
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9
Q
Ernest Rutherford
A
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10
Q
Niels Bohr
A
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