A polyatomic ion is a group of elements that has a charge that is not 0. for example the charge of P04 is -3
The answer is C as enzymes are biological catalysts that act on a substrate such as starch if the enzyme were amylase
hope that helps
Answer:
a. mixtures are created through physical changes and compounds are created through chemical reactions
Explanation:
In an ionic bond, one atom essentially donate an electron to stabilize the other atom. A molecule bond is made when two or more atoms form a chemical bond, linking them together. The two types of bonds are ionic bonds and covalent bonds.
