Question

assignment: reflect on the lab active reflect on the laboratory experiment. chart with columns: oil, cornstarch, sodium chloride, sodium bicarbonate; rows: state of matter, appearance and texture, crystalline structure (yes/no), solubility in water, conductivity (yes/no) which substances were ionic? ☐ oil ☐ cornstarch ☑ sodium chloride ☑ sodium bicarbonate how good were your predictions in the warm - up? dropdown with options: 0 out of 4 right, 1 out of 4 right, 2 out of 4 right, 3 out of 4 right, 4 out of 4 right done

Explanation:

Ionic substances typically form crystalline structures, are soluble in water, and conduct electricity when dissolved (since they dissociate into ions). From the table, sodium chloride and sodium bicarbonate have a crystalline structure, are soluble in water, and conduct electricity, fitting ionic substance properties. Oil and cornstarch lack these traits.

Answer:

• Ionic substances: sodium chloride, sodium bicarbonate
• (For the prediction accuracy question, select the option that matches your actual warm-up performance; e.g., if you got 2 correct, choose "2 out of 4 right")