The sum of potential and kinetic energies in the particles of a substance is called energy.

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.

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?

Which of the following is most likely true about water in chemical systems? a) water dissolves nonpolar ionic compounds. b) water dissociates ionic compounds. c) water dissociates covalent molecules. d) water dissolves nonpolar covalent substances.