Which of the following is true about an ionic compound?
a. it is salt.
b. it is held together by ionic bonds.
c. it is composed of anions and cations.
d. all of the above

Match the name of the following compound:   mgso4  · h2omagnesium sulfate monohydratemagnesium (ii) sulfate monohydratemagnesium (ii) sulfate hydratemagnesium sulfate hydrate

How would the number of moles (n) of o2 change if the atmospheric pressure doubled but all other variables stayed the same

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