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Periodic Table More than just a listing of the elements. This also explains electron configurations and "s" "p" "d" and "f" orbitals.
Orbitals and Electron Configuration Like the above page, this also explains electron configurations and has a calculator that will display the electron configuration of any element.
Periodic Table - Classified This shows the elements classified as metals, transition metals, post transition metals, metalloids and non-metals.
Electrons and Electron Shells This explains the electron configurations of electron shells.
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Half-Life Calculator Solves for Beginning Amount, Ending
Amount, Elapsed Time or Half-Life.
Radioactive Decay Calculator Displays activity
in 10 increments between 2 time periods. Each of the 10 increments calculates , the
absolute activity, the activity factor and the number of
half-lives that have elapsed.
It has a menu of 70 isotopes and allows you to input half-life values not on the list.
Half-Life Equations This is not a calculator. Instead, this page displays the equations used in solving for Ending
Amount, Beginning Amount, Half-Life or Elapsed Time.
Also, gives an explanation of the Radioactive Decay Constants (lambda, λ and "k").
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1728 Software Systems
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