A proton & an electron circled each other about 14.7 billion years ago.
H2S is formed
A hydrogen bond.
Salt
No. The molecule for water is H2O, meaning each water molecule contains 2 hydrogen atoms and 1 oxygen atom.
The covalent bond between a hydrogen atom and and an oxygen atom when the two atoms share electrons. They form a water molecule when there are two hydrogen atoms sharing electrons with one oxygen atom.
Water is formed when a positively charged hydrogen atom reacts with a hydroxide ion. Hydride ions react with water to form hydrogen.
H2S is formed
Hydrogen itself is an atom. If that hydrogen atom were to lose/gain/share electrons it would become an isotope/ ion
No, hydrogen was. other heavier elements, starting with helium, were formed by the nuclear fusion of hydrogen nuclei.
When both -NH2 and -COOH replace hydrogen atoms on the same carbon atom, an amino acid is formed.
A hydrogen bond is a weak bond formed between two molecules or atoms. It is caused by an atom of hydrogen being attracted to spare electron pairs on a neighbouring atom.
1 proton and 1 neutron
A hydrogen bond.
The most common bond in hydrogen is a compound one.
Salt
Water is formed when 2 hydrogen ions (H+) join with one oxygen ion (O2-)
The hydrogen atoms on earth did not form there. It formed in space not long after the Big Bang and so is almost as old as the universe itself.