Chapter 2- Part 1 Test

Describe the major subatomic particles that make up an atom and state where they are located. (6 pts)

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What are the differences between ionic and covalent bonds? Give an example of each. (2 pts)

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Deuterium is an isotope of hydrogen. It has a mass number of two. Describe the subatomic particles of the deuterium, where they are located, and explain how deuterium has a mass of two. (5 pts)

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The chemical formula for water is H₂O. However, when using models, water is arranged in a V-shape. Explain how water makes this V-shape. (4 pts)

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The xylem of plants is a narrow tube structure that connects the roots to the other parts of the plant. Using the properties of water, describe how water can move from the roots to the upper regions of the plant. (5 pts)

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Name and compare the different types of mixtures. Give an example of each type of mixtures. (4 pts)

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Give one example of a solution and one example of a suspension. Classify them as a heterogenous or homogenous mixture. Explain your answer. (4 pts)

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Sodium atom tends to lose/transfer one electron to become sodium ion, while a chlorine atom tends to gain one electron to become a chloride ion. When bonding these two elements make table salt. Write the chemical formula for table salt, identify and explain the type of bond made and state whether the chemical properties of table salt is the same as the individual elements used to make it. (4 pts)

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A water spider can “walk” on water. Describe how and why the water spider can “walk” on water. (3 pts)

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What is the difference between atomic mass and atomic number? (3 pts)

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