By measuring the deflection of cathode rays in electrical and magnetic fields,J.J.Thomson was able to determine the
A) mass of the electron.
B) speed of the electron.
C) charge on the electron.
D) ratio of mass to charge for the electron.
Correct Answer:
Verified
Q1: Which experimental observation led scientists to speculate
Q2: An anode is a
A)negatively charged ion.
B)positively charged
Q4: Which person(s)won two Nobel prizes (one in
Q5: Cathode rays are beams of
A)anions.
B)electrons.
C)neutrons.
D)protons.
Q6: Which statement best summarizes the general nature
Q7: Electrolytes are important substances in the chemistry
Q8: Ions are
A)charged atoms (or groups of atoms).
B)electrons.
C)neutrons.
D)electrodes.
Q9: When combined with Thomson's determination of the
Q10: A stream of electrons in a magnetic
Q11: An anion is a
A)negatively charged ion.
B)positively charged
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