Atoms P and Q have 5 and 1 electrons in their outermost shell respectively. What is the formula after P and Q react to form covalent compound?

Which of these properties, used alone, would be least useful in identifying most minerals? a. color b. luster c. streak d. density

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.

An atom of which element reacts with an atom of hydrogen to form a bond with the greatest degree of polarity ?