11HWChp6 - Module1 The Chemical Earth Yr 11 Homework Answer...

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Module1 The Chemical Earth Yr 11 Homework Answer the following questions from Chemistry Contexts 1 pp83 - 94 Chapter 6. Structure and Bonding determine properties 1. List the physical properties could be used to identify each of the following substances: a. Sodium chloride b. Oxygen c. Copper(II)sulfate d. Water e. Iron f. Sulfur 2. A 10 g sample of the compound copper(II) oxide contains 2.0 g oxygen. What mass of oxygen would a 30 g sample of the same compound contain? Name the law that is applied in making this calculation? 3. What conditions are necessary to conduct an electrical current? 4. What does a substances melting point indicate about the strength of the forces between particles? 5. Classify the following substances as metals, ionic, covalent molecular or covalent network substances: a. Has a low melting point and negligible conductivity in both the solid and molten forms b. Has a high melting point and a high conductivity in both solid and molten forms c. Has a high melting point, does not conduct in solid form but the molten
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11HWChp6 - Module1 The Chemical Earth Yr 11 Homework Answer...

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