Properties of Ionic and Covalent Compounds

Question 1

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Question 2

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Question 3

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Group 4

Question 4a

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Question 4b

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Question 4c

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Question 4d

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Question 5

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Question 6

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Chemistry

Unit

Bonding

Format

Short answer

Short answer rubric

Bonding Lab Rubric

· Correct answers must describe NaCl as white when dry.
· Correct answers must describe NaCl as clear when dissolved.
· Correct answers must state that NaCl has a high melting point.
· Correct answers must state that NaCl dissolves in water.
· Correct answers must state that NaCl does not dissolve in alcohol.
· Correct answers must state that NaCl conducts electricity.
· Correct answers must group sodium carbonate and NaCl together based on their shared properties of high melting points, high conductivity, and insolubility in alcohol.
· Correct answers must group lauric acid and sucrose together based on their shared properties of low melting points, low conductivity, and solubility in alcohol.
· Correct answers must identify salicylic acid as covalent.
· Correct answers must identify sodium carbonate as ionic.
· Correct answers must identify sodium chloride as ionic.
· Correct answers must identify sucrose as covalent.
· Correct answers must state that ionic compounds have high melting points, high conductivity, are insoluble in alcohol, and soluble in water.
· Correct answers must state that covalent compounds have low melting points, low conductivity, and are soluble in alcohol.
· Correct answers must identify sucrose as polar covalent.
· Correct answers must identify lauric acid as nonpolar covalent.
· Correct answers must state that sucrose dissolves in water.
· Correct answers must state that lauric acid does not dissolve in water.

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