The pH meter measure the concentration of the hydrogen(+) ion, and the concentration of Hydroxide(-). Hydrogen is acidic, Hydroxide is basic.
The answer is D.
A. an ion
The atom gains a net electrical charge if the number of protons and electrons are not equal which makes it an ion.
Answer:
oxygen, carbon, hydrogen, nitrogen, and sulfur
Explanation:
A.Weak
B.concentrated
C.dilute
D.strong
Answer: A - Weak
The answer is B...
because any of the others could have an opinion based answer but B will always be the same its a fact not opinion.