The Lonely Hydrogen

By Dr. Quazoo · Illustrated by Rose Freeland

An atom-sized adventure with a universe of possibilities. The first book in the Molecule Series introduces hydrogen through an illustrated journey into the cosmos.

Hydrogen and the elementsAtoms and moleculesStars and the universe

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Series: The Molecule Series
Paperback ISBN: 9781067395049
Read it together: Storytime, questions, and discovery

Why share this book?

A story that opens
a conversation.

Start with the smallest element and open a conversation about the biggest questions. This illustrated science story gives families a way into atoms, the universe, and the idea that the world around us is made of tiny building blocks.

Start small, then look up.

Read for the adventure first. On a second reading, pause at an unfamiliar word and connect it to something your child already knows: a glass of water, the Sun, or a starry sky.

1HHydrogen

Atomic number = the number
of protons in an atom

The science behind the story

A small atom. A big part of our universe.

Hydrogen is the most abundant element in the universe. Every hydrogen atom has one proton. Hydrogen is found in stars and in everyday substances: each water molecule contains two hydrogen atoms bonded to one oxygen atom.

A note for grown-ups

The character’s feelings help tell the story. Real atoms do not feel lonely or decide to make friends; bonding is a physical process.

Explore hydrogen with the Royal Society of Chemistry

Beyond the pages

Keep exploring. Together.

Supplementary ideas for your family’s reading time.

Ask a big question

“If atoms are too small to see, how can they be part of something as big as a star?”

Let your child share an idea before you offer an explanation. It’s fine to say, “Let’s find out together.”

Try a simple activity

Build a water molecule on paper

Draw two circles marked H and one marked O. Join each H to the O with a line. Count the atoms together and introduce the name H₂O. Explain that this is a simple model, not a picture of what a molecule actually looks like.

More guidance for parents