Help make Alexa smarter on Alexa Answers. Sign in with Amazon

Science

What is the smallest substance on earth?


A hydrogen atom is the smallest substance.

{{ relativeTimeResolver(1567793850372) }}

LIVE
Points points 48
Rating 1

Similar Questions
Sign in to view all similar questions

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE