Hg + O2 --> HgO reaction

This is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table.

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

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.