Chemical properties → properties that are determined when changing the identity of the substance
a) Water boils at 100 degrees Celsius. → boiling, melting and freezing a physical change → Incorrect
Which of the following describe chemical properties? Check all that apply.
a) Water boils at 100 degrees Celsius.
b) Antacid tablets neutralize stomach acid.
c) Iodine (a purple solid) becomes a purple gas.
d) Helium is the lightest monatomic element.