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Laabri

Chemistry Unit 7 Conductivity and Bonds

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Last updated 3 months ago
15 Nsɛmmisa
Hyɛ no nsow a efi ɔkyerɛwfo no hɔ:

This is a lesson on how to use a conductivity tester to determine the type of bond in a substance.

Use the flowchart below to help determine the type of bonds a substance has.

NOTE: In this activity, the answer "covalent" includes both polar and nonpolar bonds.

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Asemmisa {{asɛmmisaAhyɛnsode}}
1.

What type of chemical bond is in the substance sodium chloride?

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2.

What type of chemical bond is in the substance sucrose?

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3.

What type of chemical bond is in this test tube holder?

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4.

What type of chemical bond is in this stirring rod?

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5.

What type of chemical bond is in the substance distilled water?

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6.

What type of chemical bond is in the substance nickel(II) nitrate?

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7.

What type of chemical bond is in the substance copper(II) sulfate?

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8.

What type of chemical bond is in the substance isopropyl alcohol?

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9.

What type of chemical bond is in the substance potassium hydroxide?

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10.

What type of chemical bond is in the substance hydrochloric acid?

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11.

What are the characteristics of electrolytes and nonelectrolytes?

Electrolyte

Nonelectrolyte

Made of charged fragments of compounds

Made of entire molecules

Do not conduct electricity when dissoled in water

Do conduct electricity when dissolved in water

Connected with covalent bonds

Connected with ionic bonds

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12.

What is an aqueous solution?

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13.

What condition must be met in order for a material to conduct electricity?

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14.

What happens to substances when they dissolve in water?

Substances with Ionic Bonds

Substances with Covalent Bonds

True for all Substances

Particles get surrounded by water molecules

Substance fragments into charged bits

Substance remains as whole units

Asemmisa {{asɛmmisaAhyɛnsode}}
15.

Please submit a screenshot or a copy of your document of the data chart for the conductivity lab-tivity. Be certain to include the definitions for the terms below the chart.