Multiple Choice
Experiments were carried out in which a beam of cathode rays was first bent by a magnetic field and then bent back by an electrostatic field until the beam hit the screen exactly where it had been hitting before the fields were applied.This experiment permitted the direct measurement of
A) the ratio of mass to charge of an electron.
B) the charge on the nucleus of an atom.
C) the charge on the electron.
D) the mass of the atom.
E) the mass of the electron.
Correct Answer:
Verified
Correct Answer:
Verified
Q1: Who discovered the electron?<br>A)Bohr<br>B)de Broglie<br>C)Rutherford<br>D)Heisenberg<br>E)Thomson
Q2: Which of the following represents a pair
Q3: The formula for potassium carbonate is<br>A)P<sub>2</sub>C.<br>B)K<sub>2</sub>CO<sub>3</sub>.<br>C)Po<sub>2</sub>CO<sub>3</sub>.<br>D)P<sub>2</sub>CO<sub>3</sub>.<br>E)K<sub>2</sub>C.
Q4: Which of the following is an ionic
Q6: Which of the following molecules contains the
Q7: The number of protons in a given
Q8: Which statement is incorrect concerning the formation
Q9: A periodic law based on atomic masses
Q10: The formula of the chlorite ion is<br>A)Cl<sub>2</sub>O<sub>3</sub><sup>-</sup>.<br>B)ClO<sub>4</sub><sup>-</sup>.<br>C)Cl<sup>-</sup>.<br>D)ClO<sub>2</sub><sup>-</sup>.<br>E)ClO<sub>3</sub><sup>-</sup>.
Q11: Which of the following molecules contains the