Answers: 2
Chemistry, 22.06.2019 16:50, Pookiev
Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
Answers: 1
Whcich arguement best explains the charge of an atomic nucleus?...
History, 26.01.2021 18:40
Mathematics, 26.01.2021 18:40
Biology, 26.01.2021 18:40