19.1 Atomic Theory Question Preview (ID: 7433)
The Atom And Periodic Table.
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Method used when one cannot see or touch something
a) Scientific method
b) Quarks
c) Model
d) Indirect evidence
Used when something is too small or too large
a) Model
b) Inference
c) Scientific Method
d) Indirect evidence
Ran electric current through gases
a) Democritus
b) Rutherford
c) Thomson
d) Dalton
Used gold foil in his experiment
a) Democritus
b) Rutherford
c) Thomson
d) Dalton
Unit used to measure the mass of subatomic particles
a) Leptons
b) Atomic Mass Units
c) Isotope
d) Nueons
What is golds Atomic Number
a) 79
b) 197
c) 118
d) 47
How many protons does Gold have
a) 79
b) 197
c) 118
d) 47
How many electrons does gold have
a) 79
b) 197
c) 118
d) 47
How many neutrons does gold have
a) 79
b) 197
c) 118
d) 47
Two atoms of the same element with a different number of neutrons
a) Quark
b) Leptons
c) Nueons
d) Isotope
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