Consider the substances below.

• 1 mol of beryllium
• 1 mol of salt
• 1 mol of water
• 1 mol of hydrogen

which statement is true about these substances?
1) they have exactly the same mass.
2) they have different numbers of particles.
3) they have the same number of atoms.
4) they have different masses.

they have different masses

IS correct!

thank you!

have a gg day

- "the choice that is not an indicator of a chemical change is "state of matter changes". more common than not, chemical reactions produce energy in the form of light or heat. along with energy, they also produce a new substance called the product that could be in any state of matter (solid, gas, or liquid)."

all eukaryotic cell have mitochondria : )