Lab: Ionic and Covalent Bonds

Question 1

Did you read the Student Guide carefully?

Revolt · Accepted Answer

no

Question 2

The second test is for solubility. If the substance is soluble in water, then it is likely ✔ ionic.X covalent. A beaker is partially filled with liquid.

Revolt · Accepted Answer

✔ ionic.

Question 3

A base with a light bulb and two long prongs sits above a beaker partially filled with liquid; the prongs extend into the liquid. To the right, 2 wires extend from a source labeled Power; 1 attaches to the base and 1 to the right-hand prong. On the left, 2 wires are attached to the terminals of a battery, with 1 wire attached to the base and 1 to the left-hand prong. The third test you read about uses the apparatus shown above to test for conductivity of electricity. If the bulb lights up, then the substance dissolved in the water is likely ✔ ionic.covalent.

Revolt · Accepted Answer

✔ ionic.

Question 4

X no✔ yes

Revolt · Accepted Answer

✔ yes

Question 5

Now, observe and record the following:

Revolt · Accepted Answer

▪ state of matter:: liquid; ▪ crystalline structure:: no (not a solid)

Question 6

Now, observe and record the following:

Revolt · Accepted Answer

✔ liquid; ▪ state of matter:: liquid; ▪ appearance and texture:: amorphous; ▪ crystalline structure:: no (not a solid)

Question 7

X yes✔ no (not a solid)no (solid, but not crystalline)

Revolt · Accepted Answer

✔ no (not a solid)

Question 8

Look at the lightbulb above. Does this substance conduct electricity? X yes✔ nosomewhat

Revolt · Accepted Answer

✔ no

Question 9

allabout half✔ none

Revolt · Accepted Answer

✔ none

Question 10

Look at the lightbulb above. Does this substance conduct electricity? yesnosomewhat

Revolt · Accepted Answer

no

Lab: Ionic and Covalent Bonds Answers

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