42, and 43 in the Ionic Bonding presentation.

Harvey mixes two liquids. which observation of the new mixture most likely indicates a precipitate is forming?

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.

Stage in which a typical star has completely stopped fusion