chemical changes
what is a mixture that can be used as a chemical change
mix vinegar and baking soda for a bubbley explosion.
what is it called when iron starts to rust and change colors?
oxidation
what/how do you know if something is changed chemically give at least two answers.
the smell the taste the color any of these are correct
State whether the combination of hydrogen and oxygen to form water is a chemical or physical change.
if you know this its chemical change
what is the element with 173 neutrons
copernicium