Earlier quoted context omitted.
I like that you've chosen to use an actual element for the example / explainer. To streamline the UI, might I suggest replacing example element (copper) with just the explainers , next to hydrogen [2]... using that elements information (without adding a free-floating copper). If that doesn't make sense, let me know. Thanks for being a responsive educator. [2] perhaps use Beryllium for your example/explainer -- becaus…
check now. And thanks, appreciate the praise, was fun making this thing.
>> https://i.imgur.com/hswLkAt.png>
Beryllium finally has a use (as explanatory element)! The American Chemical Society rejoices...
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Text to add:
>Electron configuration
>Density (with units)
>State of matter @STP (cannot remember?! something like 27°C at one atmosphere — embarassed to not remember, I used to teach this stuff!)
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Lastly, your current webpage title/header is:
>>Interactive Table | Periodic Table of Elements
When I go to bookmark I reduce this to
>Periodic Table of Elements .org (quick reference)
Be the Referenced namesake to which you've already expressed desire.