Achef places sugar crystals in a cooking pan. he turns on the burner under the pan. in a few minutes, the sugar begins to melt. which process is most directly responsible for transferring heat from the burner into the sugar? (2 points)

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.

Which diagram shows the correct way to represent an ionic compound of magnesium oxide?

Which of these is not an example of chemical weathering? a. iron-rich mineral rusting b. feldspar turning into clay c. limestone reacting with acid d. granite breaking up into sand