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.
What properties would you expect for CaO? Select all that apply.
How good were your predictions in the warm-up?
How does a conductivity apparatus test whether a solution has ionic or covalent substances in it?
Which of the following tools could have become cross-contaminated during the experiment if you had not cleaned them carefully between successive tests?
Identify all actions that you should take if you have chipped or broken glassware.
Carbon tetrachloride (CCl4) is ionic.✔ covalent.
What properties would you expect for CCl4? Select all that apply.
Calcium oxide (CaO) is ✔ ionic.covalent.
The concentration of ionic substances is important for the heart to beat. Your heart responds to electrical impulses that travel through heart cells that are made up mostly of water. Which properties of ionic compounds are important to support this function?
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