A matrix with 4 columns headed oil, cornstarch, sodium chloride, and sodium bicarbonate, and 5 rows. Entries for row headed State of Matter: Liquid, Solid, Solid, Solid. Appearance and Texture: Amorphous, Powdery, Powdery, Powdery. Crystalline Structure (yes or no): No, no, yes, yes. Solubility in Water: none, none, all, mostly. Conductivity (yes or no): No, no, yes, yes.
How good were your predictions in the warm-up?
If a substance is covalent, then it likely will
be a liquid or gas, not be soluble in water, and not conduct electricity.
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