Aliquid is determined to be an acid or base depending on the type of (blank)

a. electrons
b. protons
c. ions
d. elements
e. neutrons

Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?

Is 9 correct? and can someone me with 10? it’s due tomorrow, you