What is the symbol for potassium?
A) P
B) K
C) Pt
D) Po
E) Pm
Correct Answer:
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Q10: Protons and neutrons are examples of _
A)nuclei.
B)nuclides.
C)nucleons.
D)isotopes.
E)charged
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
Q20: Who discovered electrons?
A)Henri Becquerel
B)Robert Millikan
C)Joseph John Thomson
D)John
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
Q26: Nuclei with certain numbers of protons and
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