CHEM1230 Review Quiz

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Questions and Answers

Which set of atoms or ions are isoelectronic in the ground state?

O2-, Ne, and Mg2+ (correct)
Ni, Cu2+, and Zn2+
Hg, Tl+, and Pb2+
None of the above

Which atom/ion has an inert gas electron configuration?

Mg2+
Cl-
Na+
Ne (correct)

Which species are isotopic?

40Ca and 40Ar (correct)
40
24
None of the above

Which species have the same number of neutrons?

<p>40Ca and 40Ar (A)</p> Signup and view all the answers

What is the relationship between the number of protons, neutrons, and electrons in an atom?

<p>The number of protons determines the element, the number of neutrons determines the isotope, and the number of electrons determines the ionization state. (A)</p> Signup and view all the answers