Studied by 8 people
afsdf
A naturally occurring or artificially produced element that has an unstable nucleus and emits radiation as it decays over time.
asdf
Element with atomic number 1 and symbol H. It is the lightest and most abundant element in the universe. It has one proton and one electron. It is a colorless, odorless, and tasteless gas. It is highly flammable and is used in fuel cells and in the production of ammonia.
afsd
afds
asdf
asdfsf
saf
fasd
asdf
asdf
Note
Flashcard