9781422279472

Hydrogen: INTRODUCTION

Introduction

L ook around. What do you see? Maybe a cell phone, a half-eaten banana, and a glass of water sit on the table. Outside your window, you might see clouds or rain or the sun shining. What do you feel? Your breath travels in and out, filling your lungs, while your heart pumps WORDS TO UNDERSTAND DNA deoxyribonucleic acid; a material inside the cells of most living organisms that carries genetic information hydrogen fuel cell a battery-like device in which hydrogen fuels a chemical reaction that produces electricity isotope an atom of a specific element that has a different number of neutrons; it has the same atomic number but a different atomic mass

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