QUESTION 1 Each scenario describes the properties of a substance. Based on the p

Question

QUESTION 1

Each scenario describes the properties of a substance. Based on the properties determine if the substance has ionic, covalent, or metallic bonding.

Substance A: Melts at 520 oC. Decomposes before it can boil. Does not Conducts electricity in the solid or liquid state or in aqueous solution

Substance B: Melts at 157 oC. Condicts electricity as a solid and as a liquid.

Substance C: Melts at 220 oC, Does not conduct electricity as a liquid but does when dissolved in water.

Melts at 400oC. Does not conduct electricity as a solid. Does conduct electricity when a liquid and when dissolved in water.

Non-acid, non-base covalent substance

Metallic substance

Acid or base covalent substance

Ionic substance

Please MATCH for the questions thank you.

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Substance A: Melts at 520 oC. Decomposes before it can boil. Does not Conducts electricity in the solid or liquid state or in aqueous solution

      -

Substance B: Melts at 157 oC. Condicts electricity as a solid and as a liquid.

      -   

Substance C: Melts at 220 oC, Does not conduct electricity as a liquid but does when dissolved in water.

      -   

Melts at 400oC. Does not conduct electricity as a solid. Does conduct electricity when a liquid and when dissolved in water.

A.

Non-acid, non-base covalent substance

B.

Metallic substance

C.

Acid or base covalent substance

D.

Ionic substance

Explanation / Answer

Substance A: Melts at 520 oC. Decomposes before it can boil. Does not Conducts electricity in the solid or liquid state or in aqueous solution = C - Acid or base covalent substance

Substance B: Melts at 157 oC. Condicts electricity as a solid and as a liquid. = B -Metallic

Substance C: Melts at 220 oC, Does not conduct electricity as a liquid but does when dissolved in water. = A Non-acid, non-base covalent substance

Melts at 400oC. Does not conduct electricity as a solid. Does conduct electricity when a liquid and when dissolved in water = D - Ionic substance

** Covalent compounds do not conduct electricity in any form.

** Metallic substances are good conductors of electricity in the solid form

** Ionic compounds do not conduct electricity in solid form but conduct electricity when dissolved in water.

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