Which of the following best describes seawater?

a. heterogeneous mixture
b. homogeneous mixture
c. compound
d. pure substance

The correct answer to this question is B. The best description for seawater would be a homogeneous mixture. A homogeneous mixture is one in which the composition remains the same, so you cannot tell the difference between different parts of it. If the question is making a reference to pure seawater, as in the mixture between water and salt, then the answer is A.

Electrical charges of ionic bonds

Answer the same molecular formula;