Deck 1: Atomic Structure
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Deck 1: Atomic Structure
1
____ is the best natural conductor of electricity.
A) Copper
B) Silver
C) Gold
D) Aluminum
A) Copper
B) Silver
C) Gold
D) Aluminum
Silver
2
Electricity is composed of electrons.
True
3
The hydrogen atom contains one proton and one electron.
True
4
The atoms of an insulator generally contain seven or eight valence electrons.
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5
In 1808 a scientist named ____ proposed that all matter was composed of atoms.
A) J.J.Thompson
B) Niels Bohr
C) Isaac Newton
D) John Dalton
A) J.J.Thompson
B) Niels Bohr
C) Isaac Newton
D) John Dalton
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6
The orbit in which the electron exists is determined by the electron's weight times its speed times the diameter of the orbit.
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7
____ are materials that do not permit electrons to flow through them easily.
A) Alternators
B) Thermocouples
C) Insulators
D) Conductors
A) Alternators
B) Thermocouples
C) Insulators
D) Conductors
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8
In 1913 a scientist named ____ presented the most accepted theory concerning the structure of an atom.
A) J.J.Thompson
B) Niels Bohr
C) Isaac Newton
D) John Dalton
A) J.J.Thompson
B) Niels Bohr
C) Isaac Newton
D) John Dalton
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9
____ produce electricity by chemical action.
A) Batteries
B) Solar cells
C) Thermocouples
D) Piezoelectric devices
A) Batteries
B) Solar cells
C) Thermocouples
D) Piezoelectric devices
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10
Since electrons are negatively charged particles and protons are positively charged particles, they repel each other.
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