Periodic Table – TI-84 Evo Chemistry Program

Periodic Table program on a TI-84 Evo

A full periodic table for the TI-84 Evo, made by smaggelThief. Move around the table like the chart on your classroom wall and open any of the 118 elements for its atomic mass, electron configuration, radius, ionization energy and more.

By smaggelThief. MIT License. Original release page

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Open it on the calculator

  1. Press the prgm key. The PROGRAMMING menu opens.
    The prgm key highlighted on the TI-84 Evo keyboard
    TI-84 Evo PROGRAMMING menu with 1: TI-Basic and 2: Python App
  2. Press 2 to open the Python App. Its file list opens.
    TI-84 Evo Python App file manager listing GRAPH, HELLO, LINREGR and PERIODIC
  3. Press the down arrow until PERIODIC is highlighted.
    TI-84 Evo Python App file manager with PERIODIC highlighted
  4. Press enter to run it. The program opens on the table with hydrogen selected.
    Periodic Table program on the TI-84 Evo showing the full table with #1 H Hydrogen selected

Look up an element

These steps open carbon.

  1. Press the right arrow five times. The right arrow steps through the elements in order, so the title bar reads #6 C CARBON. Up and down move to the element above or below on the table.
  2. Press enter. Carbon's details open.
    Carbon's details on the TI-84 Evo: atomic mass 12.011 u, electron configuration [He]2s2 2p2, radius 170 pm

On the details screen, up and down scroll through the rest of carbon's properties, and left and right switch to the previous or next element. Press enter on a property to see what it means, for example that first ionization energy is the energy needed to remove the first electron. clear goes back to the table.

Find an element by name

  1. Press window on the table. The element list opens in atomic-number order.
    Periodic Table element list on the TI-84 Evo, starting 1 H Hydrogen, 2 He Helium, 3 Li Lithium
  2. Press 2nd to change the order. Pick atomic number, name or symbol.
    Sort elements by atomic number, name or symbol
  3. Press enter on an element to open its details.

What else is in it

  • The menu (y= on the table) has the element list, graphs of atomic radius, first ionization energy, electronegativity, density and melting point across the elements, and an option to show element symbols on the table.
    Periodic Table menu on the TI-84 Evo: Element list, Graph properties, Options, About, Quit
  • Every element has its atomic mass, protons and neutrons, electron configuration, atomic radius, first ionization energy, electronegativity, density, melting and boiling points, state, oxidation states, discovery year and family. Values come from the PubChem periodic table, and a value PubChem doesn't list shows as --.
  • Press 2nd on a number in an element's details to store it in the calculator list PVAL, so you can use it in a calculation.
  • Press clear on the table to quit.

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