Page 36 - Surviving Chemistry BFF Homework Helper and Test Prep Preview
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Questions for Regents Practice: Atomic Structure
Parts B-2 and C Constructed Response
27. Based on the atomic mass and the natural abundances shown in the data table
show a correct numerical set-up for calculating the average atomic mass of neon.
28. Based on natural abundances, the average atomic mass of neon is closest to
which whole number?
29. In terms of atomic particles, state one difference between these three isotopes
of neon.
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30. Explain, in terms of excited state, energy transitions, and ground state, how a
bright-line spectrum is produced.
31. Identify the two elements in the unknown spectrum.
32. Write an appropriate number of electrons in each shell to represent an Mg-26
atom in an excited state. Your answer may include additional shells.
33. What is the total number of valence electrons in an atom of Mg-26 in the
ground state?
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