The first to be credited for assigning the terms positive and negative to electricity was
A) William Crookes.
B) J.J. Thomson.
C) Robert Millikan.
D) Benjamin Franklin.
E) none of the above
Correct Answer:
Verified
Q12: Some alpha particles pass through gold foil
Q13: Credit for research in our knowledge of
Q14: Both electrons and protons have equal-magnitude
A)mass.
B)charge.
C)energy.
D)all of
Q15: By scattering alpha particles from gold, Rutherford
Q16: A beam of electrons is employed in
A)a
Q18: When Millikan observed oil drops hovering at
Q19: The spectral lines of atomic spectra are
A)images
Q20: An excited hydrogen atom is capable of
Q21: Two spectral lines in a spectrum have
Q22: According to de Broglie, constructive interference occurs
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