What are the nature of bonds present in the following substances? Water
nitrogen
calcium chloride
magnesium oxide
methane
sodium oxide
hydrochloric acid
ammonia

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )

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.

Match the mixture with the substance// i really need on this guys (it’s a pic btw)