27 results found

1. Add missing Radium salts

   Radium Chloride (RaCl2) and Radium Bromide (RaBr2) are not present in the "Compounds" section of the website.

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2. Add more compounds ending in -ate, such as the sulfates, as in tungsten(IV) sulfate. They are real compounds that exist.

   I would like to see more compounds that can be made with multiple elements, such as the sulfates with sulfur. There needs to be an extended list of all compounds that exist with different elements. In other words, I have to search the Internet for compounds that don't appear in the list of compounds with certain elements.

   If you don't have the time to program the remaining compounds, I understand.

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3. properties

   I teach 8th grade physical science and we use your amazing site regularly. The problem is it has way more information than an 8th grader would need. Is there a way to view a simplified version of all the properties? Many are just not applicable to 8th grade. Easiest way would be to have check boxes so you can select the properties that you want to see at that time

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4. Add a feature that shows the ions of an element

   For example, H+, Fe2+/Fe3+, O2-, Ir4+, etc.

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5. Printable PDF in different languages

   Make the Printable PDFs available in other languages than English (Swedish please).

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6. High CPU usage by webGL orbitals

   On my windows pc, whenever I switch to the electrons page on the PT, my computer lags a ton and task manager shows that chrome takes up 90% of CPU usage. This doesn't happen on my iPad or anything so I think it's some sort of windows bug

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7. Show isotope decay chains

   Hello, I am a big fan of your work and I think it would be interesting to add (in the #Isotopes tab of ptable) two things I am missing:
   1- For each radioactive isotope, the daughter isotope(s) and probabilities associated to each decay mode.
   2- Isomers. For example: the Ag110 is included in the table, but there is no data for Ag110m. The same goes for all other isomers.

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8. Add a pressure slider alongside temperature slider

   I don't even know if this is feasible, given the amount of information this adds and how it would work with the programming, but I think it would be a nice addition to Ptable and may solve some issues I've noticed with the melting and boiling points.

   E.g.: tungsten is said to have the highest melting point of all elements, but the table shows carbon melting after tungsten. Also, carbon's Wikipedia page says it sublimates at atmospheric pressure, so it shouldn't be melting at all.

   Thank you for your attention.

   9 votes

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9. Crystallographic parameters

   Hello,
   this periodic table is really fantastic !
   There is yet a lot of useful information, it could be interesting to improve the properties of table with crystallographic parameters for elements that can be found in solid state. for example, lattice parameter, crystal class, space group etc ...
   Anyway, many thanks for this great work !
   Georges

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10. Add Bohr models

    Make a small graphic of the atom, showing the electrons in their shells.

    6 votes

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11. Allow specific atom counts in compound search

    Allow two elements e.g.( two hydrogen elements in the feature)

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12. Additional writeup sources

    I think it would be awesome if you could include a link to the appropriate video from the youtube channel Periodic Videos, much like the current link for Wikipedia. This is a youtube channel devoted to educational videos about all of the elements. They are highly informative and I feel that it would be a great addition.

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13. Colourblind modes

    As a colourblind chem major, I love using your resource but it is sometimes difficult to look at, may I suggest some sort of colourblind mode which makes it somewhat easier to see general group/period trends?

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14. Show black body radiation colors

    I love playing with the temperature slider, and I see why it's colored the way it is. However, you could add yet one more bit of useful information to this glorious chart by offering a different slider which showed peak color of black body radiation temperature. Obviously it would be fairly meaningless outside the visible light ranges. But when I was slowly ramping temperature up to visualize the different metals I work with as they changed to liquid phase and some even to gas, glancing back up at the temperature slider gave me a sense of cognitive dissonance, as around the time things should start to glow dull red, we're still down in pale blue. Once I started thinking of things that way, the entire slider felt wrong. Perhaps three versions of the slider should be available: 1) The person on the street version you have now, with cold being blue and hot being red; 2) the true black body radiation version with below-human-vision being black, the colors progressing upward from red through yellow to blue, then beyond maybe being dark grey; and 3) a compromise showing the correct heat progression but extending the gradient down to -273K so it's not just uniform.

    I love playing with the temperature slider, and I see why it's colored the way it is. However, you could add yet one more bit of useful information to this glorious chart by offering a different slider which showed peak color of black body radiation temperature. Obviously it would be fairly meaningless outside the visible light ranges. But when I was slowly ramping temperature up to visualize the different metals I work with as they changed to liquid phase and some even to gas, glancing back up at the temperature slider gave me a sense of cognitive dissonance, as around… more

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15. Add Tensile Strength to properties; Yield strength and UTS

    For a suggestion, I have one strong suggestion for adding a property: Tensile Strength.
    Actually, I would like to make a proposal; I am currently collecting this data for each element in a spreadsheet already.
    When it is done, I would like to show it to you along with sources, so you can consider adding the data to the website's element property.

    First, I would like to try to demonstrate why specifically Tensile Strength is worthy among countless mechanical properties of materials.
    https://en.wikipedia.org/wiki/Strength_of_materials#Stress_parameters_for_resistance
    In an introductory material science paper, it focused heavily on Stress–strain curve, and various testing for material strength properties.
    Tensile strength is highest in metals out of all materials, so metals are used for their tensile strength in engineering. This makes tensile strength particularly important for metals.
    Since metals constitute most of the elements in the periodic table of elements, it would be great to have.
    Compressive strength is high in concrete and ceramics, so they are used instead of metals. Fatigue and Impact stress are more complex measurements for specific cases.
    https://www.rouloconsulting.com/book-review-material-selection-mechanical-design-fourth-edition/
    This link has a strength density chart, and the strength is yield strength, which is tensile strength, so it's a practically useful property in material selection.

    To me, tensile strength is a comprehensive measure of strength of a metal. It quickly answers the question of how strong a material is, how much force a material can withstand.
    If someone asks a general question, which is stronger Iron vs Titanium? Aluminium vs Copper? To answer that, I would look at Tensile Strength.

    https://simple.wikipedia.org/wiki/Tensile_strength
    Ultimate tensile strength (UTS, = Tensile Strength) and Yield strength (without deformity).
    Obtained from a tensile testing result: Stress–strain curve.
    https://en.wikipedia.org/wiki/Stress%E2%80%93strain_curve
    Here from the stress-strain curve, Young's Modulus (=Modulus of Elasticity) can also be obtained. It's listed as one of the properties in Ptable.

    Mechanical properties in the website currently listed cannot tell how much force (technically stress) it can withstand before material deforms or breaks.
    Young's Modulus (=Modulus of Elasticity), measures stiffness.
    Shear Modulus (G) can be derived from Young's Modulus(E) and Poisson ratio (v) , G = E / 2(1+v),
    Bulk Modulus, measures compressibility.
    Hardness. measures mechanical indentation or abrasion.

    None of these can tell us how much force the metal can carry, how strong it is in terms of how much force it can take until it breaks.
    I believe tensile strength is the most practical and informative of all mechanical properties, while being simple and not so complicated.
    It's just a dumb force (stress), a direct measurement, not something that needs to be calculated like modulus (stress / strain), so it's closer to pure science than moduluses.

    If you are interested in adding it to Ptable, but have a trusted source of data that you would rather use, I would be happy to collect the data from there rather than from random sites on the internet.
    Otherwise I can find the data for Tensile strength around the internet like here. I am collecting data for my personal use anyways.
    http://www.matweb.com/search/MaterialGroupSearch.aspx

    I would be thrilled to see Tensile Strength listed in the Ptable.
    Please tell me your thoughts.

    For a suggestion, I have one strong suggestion for adding a property: Tensile Strength.
    Actually, I would like to make a proposal; I am currently collecting this data for each element in a spreadsheet already.
    When it is done, I would like to show it to you along with sources, so you can consider adding the data to the website's element property.

    First, I would like to try to demonstrate why specifically Tensile Strength is worthy among countless mechanical properties of materials.
    https://en.wikipedia.org/wiki/Strength_of_materials#Stress_parameters_for_resistance
    In an introductory material science paper, it focused heavily on Stress–strain curve, and various testing for material… more

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16. include term symbols

    term symbols are important for spectroscopic and magnetic properties. you can find them at the NIST periodic table: https://www.nist.gov/pml/periodic-table-elements

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17. Add property: nucleosynthesis origin

    It would be nice to have a view displaying the "origin" of the elements: merging neutron starts, exploding massive stars, exploding white dwarves, cosmic ray fission, etc. Such as shown on:

    https://www.visualcapitalist.com/visualizing-the-origin-of-elements/

    or

    https://www.sciencealert.com/this-awesome-periodic-table-shows-the-origins-of-every-atom-in-your-body

    and many other places.

    3 votes

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18. Add market prices of elements

    The data is available on Wikipedia:
    https://en.wikipedia.org/wiki/Prices_of_chemical_elements

    It would be great to be able to visualize this data on Ptable.

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19. Table of nuclides

    Could you add an extra mode where you could view the periodic table in the form of a table of nuclides and have the options of highlighting all the properties ?

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20. Add physical constants

    maybe add important numbers like avagadroes number and the speed of light, and also some diatomic molecules and some polyatomic ions

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