how many protons and electrons are in 7.4 grams of hydrogen?
mols H2 gas = grams/molar mass.
Then each mols has 6.02E23 molecules.
Each molecule has two H atoms.
Each H atom has 1 electron, 1 proton and no neutrons.
Then each mols has 6.02E23 molecules.
Each molecule has two H atoms.
Each H atom has 1 electron, 1 proton and no neutrons.