Write the self-ionization reaction of hydrogen sulfide " HS-” ion?​

Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease.correct answer for apex - a, its nonpolar end dissolves the grease.

Draw metallic bonding if two copper

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins