The taste known as sour is caused by:
a. the presence of hydrogen ions.
b. hot materials.
c. sugars.
d. any kind of ions.

Afamily is one another name for a group on the table of elements.

The table lists pressure and volume values for a particular gas. which is the best estimate for the value of v at p = 7.0 × 103 pascals?

List four observations that indicate that a chemical reaction may be taking place