Periodic Table Section 1 Quiz Question Preview (ID: 41167)
Atomic Theory And Structure.
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Who discovered that electrons are found in different energy levels or shells?
a) Thomson
b) Bohr
c) Dalton
d)
Who determined that electrons rotate around a nucleus?
a) Thomson
b) Dalton
c) Rutherford
d)
Who discovered the electron?
a) Thomson
b) Dalton
c) Rutherford
d)
Particles of an atom with no charge (neutral).
a) electron
b) neutron
c) proton
d)
Negatively charged particles of an atom.
a) electron
b) neutron
c) proton
d)
Positively charged particles of an atom.
a) electron
b) neutron
c) proton
d)
The smallest form of matter that still has the properties of a specific element.
a) compound
b) atom
c) element
d)
Which is NOT a part of the nucleus of an atom?
a) proton
b) neutron
c) electron
d)
The model we use today is the .....
a) Dalton model
b) Cloud model
c) Rutherford model
d)
Protons + Neutrons =
a) atomic number
b) atomic mass
c)
d)
Number of protons
a) atomic number
b) atomic mass
c)
d)
An isotope of an element has the same number of protons, but different numbers of _____________
a) electrons
b) protons
c) neutrons
d)
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