Responses
Hydrogen atoms are twice the size of oxygen atoms.
Hydrogen atoms are twice the size of oxygen atoms.
Hydrogen gas has two atoms, and oxygen gas has one atom.
Hydrogen gas has two atoms, and oxygen gas has one atom.
Some oxygen gas escapes the reaction, and hydrogen gas is conserved.
Some oxygen gas escapes the reaction, and hydrogen gas is conserved.
There are two atoms of hydrogen and one atom of oxygen in a water molecule.
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The correct response is:
There are two atoms of hydrogen and one atom of oxygen in a water molecule.
This explains why, in the decomposition of water (H₂O), twice as much hydrogen gas (H₂) is produced compared to oxygen gas (O₂). Each water molecule consists of two hydrogen atoms bonded to one oxygen atom, leading to the formation of twice as many hydrogen molecules as oxygen molecules when water is decomposed.
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