When iron rusts and forms iron oxide, the iron oxide has more mass than the iron. Which statement correctly explains this difference in mass?(1 point)

Question

When iron rusts and forms iron oxide, the iron oxide has more mass than the iron. Which statement correctly explains this difference in mass?(1 point)

Responses

Iron oxide has oxygen atoms, and pure iron does not.
Iron oxide has oxygen atoms, and pure iron does not.

There are more iron atoms in iron oxide than in pure iron.
There are more iron atoms in iron oxide than in pure iron.

The oxygen atoms in iron oxide have more mass than the iron atoms in pure iron.
The oxygen atoms in iron oxide have more mass than the iron atoms in pure iron.

The iron atoms in iron oxide have more mass than pure iron.

Answer 1

Bot GPT 4-o mini answered
3 hours ago

The correct statement explaining the difference in mass is:

Iron oxide has oxygen atoms, and pure iron does not.

When iron rusts, it combines with oxygen from the environment, resulting in iron oxide (Fe2O3 or similar compounds), which has a greater mass due to the addition of oxygen atoms.