Hydrogen
This is the front side of the game card for Hildy The Dragon With The Hydrogen Tipped Tail. Click the pic to take a look at all the fun info on the back. Use it as a memorization tool, a trading card or as science class prizes and rewards.
Get the single element book – Hydrogen Presented By Hildy

Facts – Hydrogen https://pubchem.ncbi.nlm.nih.gov/element/Hydrogen#section=Element-Period-Number
Facts – Hydrogen https://en.wikipedia.org/wiki/Hydrogen
Article – What is metallic hydrogen, and does it exist at the core of all the gas giants in our solar system? https://www.astronomy.com/science/what-is-metallic-hydrogen-and-does-it-exist-at-the-core-of-all-the-gas-giants-in-our-solar-system/
Facts – Is Hydrogen Conductive https://www.circuitsgallery.com/is-hydrogen-conductive/
Facts – Magnetic Properties of Hydrogen https://sciencing.com/magnetic-properties-hydrogen-7648446.html
Article – Magnetism: an unexpected push for the hydrogen economy https://www.iciq.org/magnetism-an-unexpected-push-for-the-hydrogen-economy/
Facts – Is hydrogen a metal or nonmetal? https://byjus.com/question-answer/what-is-hydrogen-metal-or-non-metal/
Article – Hydrogen enhances strength and ductility of an equiatomic high-entropy alloy https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5575320/
Facts – hydrogen https://www.britannica.com/science/hydrogen
Facts – Chemistry of Hydrogen (Z=1) https://chem.libretexts.org/Bookshelves/Inorganic_Chemistry/Supplemental_Modules_and_Websites_(Inorganic_Chemistry)/Descriptive_Chemistry/Elements_Organized_by_Block/1_s-Block_Elements/Group__1%3A_The_Alkali_Metals/Z001_Chemistry_of_Hydrogen_(Z1)
Facts – Is H2 a molecule or an element ? https://byjus.com/question-answer/is-h2-a-molecule-or-an-element/https://www.topsoe.com/processes/hydrogen?gclid=Cj0KCQiAyKurBhD5ARIsALamXaFbu4-VE-FRy8v8jVEpwDcsFEYCZmlabNq-PZMHAiJq4axvvU8dLdAaAnoaEALw_wcB

Links and Notes for Hildy’s chemistry inspired magical abilities:
Hydrogen as the first element / fuel of stars
- What Were the First Stars Like? – NASA Science — supports “the fuel of stars” and hydrogen’s role right after the Big Bang.
- The Universe’s First Molecule is Found at Last – USRA Newsroom — good source for “first thing the universe ever made.”
- 21.6: The Origin of the Elements – Chemistry LibreTexts — explains stellar nucleosynthesis, i.e., how hydrogen fuses into heavier elements inside stars.
- The Stars Within Us – NSF — accessible, well-cited explainer connecting hydrogen/stellar fusion to the elements that make up life.
- How did the first element form after the Big Bang? – Astronomy.com
Hydrogen, water, and “the seed of water”
- Hydrogen-Bonding and Water – Chemistry LibreTexts — solid technical backing for hydrogen bonding as a real molecular phenomenon (Voss’s “hydrogen-bonding lattice” stabilization plot point).
- Hydrogen Bonding – Britannica — concise, authoritative definition.
- Water as a Molecule – Yale Water Knowledge for All — supports “the seed of water.”
- Hydrogen Bonds Make Water Sticky – University of Hawaiʻi — approachable explainer, simpler citation.
General hydrogen element properties (periodic table, reactivity, reducing chemistry)
- Hydrogen – Royal Society of Chemistry Periodic Table — the gold-standard reference for hydrogen’s atomic properties, reactivity, and “Element One” status.
- The Chemistry of Hydrogen – Purdue University — good for the “reducing chemistry” mechanism Hildy uses to strip apart the chlorine-based corrosive bolt in Chapter 4.
- Hydrogen – Wikipedia — broad overview, useful as a general-audience cross-reference.
Author Fantasy License:
Molecular-level magic disruption fields, and the reversible “Null Atmosphere Protocol” — are fictional extrapolations inspired by real hydrogen chemistry, not real phenomena.



