Humboldt State University ® Department of Chemistry

Richard A. Paselk

	General Chemistry	Spring 2009
Exercise: Quantum Numbers & Periodicity	© R. Paselk 2008
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Periodicity and Atomic Structure

1. Using Spectroscopic notation write the electronic configurations for the ground state atoms below:

Be:

Al:

Si:

S:

Ne:

2. Using Spectroscopic notation the Noble Gas Core convention write the electronic configurations for the ground state atoms below:

Hg:

Ta:

Bi:

Am:

Xe:

Mo:

Ag:

3. Using Spectroscopic notation write the electronic configurations for the ground state ions below:

Mg²⁺:

P^3-:

Ni²⁺:

V³⁺:

Ag⁺:

4. Using Orbital Filling Diagrams write the electronic configurations for the ground state atoms below:

B:

Ti:

Fe:

Cr:

As:

Se:

Answers 1-4

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© R A Paselk

Last modified 16 October 2009