Potassium has a 1+ charge, and oxygen has a 2− charge. a lewis dot diagram should contain two potassium atoms and one oxygen atom to show how these atoms form an ionic bond. true or false

V1t2 = v2t1 is an expression of who’s law

Name the element in group 17, period 2. (periodic table)

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.