A 
atom has __________ protons, __________ neutrons, and __________ electrons.
A) 17, 18, 19
B) 17, 20, 17
C) 17, 17, 20
D) 17, 18, 17
E) 18, 17, 18
Correct Answer:
Verified
Q3: What is the correct symbol for a
Q5: In the atoms in the Rutherford-Geiger-Marsden
Q5: Which one of the following experiments provided
Q7: Which particle diagram is the best representation
Q8: In the Rutherford-Geiger-Marsden experiment,
Q10: Protons and neutrons are examples of _
A)nuclei.
B)nuclides.
C)nucleons.
D)isotopes.
E)charged
Q13: Rutherford, Geiger, and Marsden's experiment demonstrated that
Q14: Who discovered electrons?
A)Robert Boyle
B)Robert Millikan
C)Joseph John Thomson
D)John
Q18: Who was the first scientist to determine
Q19: Which statement best describes isotopes?
A)They have the
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