What are the 3 known forms of hydrogen called

Harvey mixes two liquids. which observation of the new mixture most likely indicates a precipitate is forming?

Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium

What information does a complete ionic equation give that the balanced equation doesn’t show?