Question

which is most likely to occur during a chemical reaction? (1 point)
atoms of the original substance are lost
the original substance maintains its properties.
mass is conserved.
new atoms are created

Explanation:

According to the law of conservation of mass, in a chemical reaction, mass is conserved. Atoms are not lost or created (as per the law of conservation of matter, atoms are just rearranged). And in a chemical reaction, the original substance changes into new substances with different properties.

Answer:

Mass is conserved.