Nuclei with certain numbers of protons and neutrons (or combinations thereof) appear to be more stable than others."Magic numbers" that are consistent with known nuclides are 2, 8, 20, 28, 50, 82, and 126, with 180 and 306 being hypothesized as the next in the series.Using this information, along with your knowledge of atoms and isotopes, you try to synthesize a new atom (symbol X) based on stable combinations of nucleons.Which do you think is a likely candidate?
A) 
B) 
C) 
D) 
E) 
Correct Answer:
Verified
Q10: Protons and neutrons are examples of _
A)nuclei.
B)nuclides.
C)nucleons.
D)isotopes.
E)charged
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
Q27: Identify the atom or ion:
i) _;
Q28: Which element forms an ionic compound with
Q29: Which of the following is an alkali
Q30: Which element forms ionic compounds with the
Q56: Calcium is an example of _
A) an
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