Who discovered electrons?
A) Henri Becquerel
B) Robert Millikan
C) Joseph John Thomson
D) John Dalton
E) James Chadwick
Correct Answer:
Verified
Q10: Protons and neutrons are examples of _
A)nuclei.
B)nuclides.
C)nucleons.
D)isotopes.
E)charged
Q15: Which subatomic particles have approximately equal masses?
A)protons
Q16: Which subatomic particles have opposite charges?
A)protons and
Q17: A baseball has a diameter of approximately
Q18: If the diameter of a carbon atom
Q19: What is the correct symbol for a
Q21: What is the symbol for potassium?
A)P
B)K
C)Pt
D)Po
E)Pm
Q22: Which of the following statements regarding the
Q23: Isotopes have _.
A)the same atomic mass.
B)the same
Q25: What is the nuclide symbol for the
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