Destiny is classifying changes and notices physical changes or chemical changes. Which of the following is a chemical change? a. melts butter in microwave b. boil water c. burnt muffin d. chop celery into smaller pieces

C3h8o3 - glycerol major species present when dissolved in water

Compare and contrast the bohr model and the electron cloud models of the atom.

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.