Which substances were ionic?
How good were your predictions in the warm-up? 0 out of 4 right1 out of 4 right2 out of 4 right3 out of 4 right4 out of 4 right
Calcium oxide (CaO) is ✔ ionic.covalent.
What properties would you expect for CaO? Select all that apply.
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.
If a substance is ionic, then it likely will
be a crystalline solid, be soluble in water, and conduct electricity
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?
Was the hypothesis, repeated above, completely supported? Justify your answers.
Corn starch, one of the covalent compounds, is solid at room temperature. The property of being solid is more common to ionic compounds. So, the hypothesis was mostly supported except for this one data point.
What properties would you expect for CCl4? Select all that apply.
Select all properties you listed for ionic.
Select all facts that you mentioned.
If a substance is covalent, then it likely will
be a liquid or gas, not be soluble in water, and not conduct electricity
Select all properties you listed for covalent.
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