Whay is the compound Pb(CIO2)2 named?​

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.

Which statement best describes what happens when molecular compounds melt

Are oil and water a mixture or solution