noun:a chemical element that has no color or smell and that is the simplest, lightest, and most common element
noun:a nonmetallic element that is the simplest and lightest of the elements, is normally a colorless odorless highly flammable diatomic gas, and is used especially in synthesis
synonyms: packaging agent, e949
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(..) It's really great meeting you guys. Maybe you can come over to my house sometime. I could bring my new model. It's a hydrogen atom. You've only got one, huh? Guess we'll have to split it. Good one! Check it, guys. What do you (..)
