This chart shows descriptions of the atoms for four different substances. A 2-column table with 4 row labeled Descriptions of Four Substances. The first row has entries Object 1, Object 2, Object 3, Object 4. The second row has entries slide past each other, are very viscous, form a crystal, spread out to fill their container. Which substance is a solid? Object 1 Object 2 Object 3 Object 4