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Integrated Science An Introduction to Chemistry Name _____________
Unit 4
Below are listed a few activities which relate to some objectives of Unit 4-Basic Chemistry.
Part 1.
What is an Element?
In the following table, write the name and symbol of some common elements
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Element Symbol
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Element Symbol
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Element Symbol
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You are provided with a few named elements. Complete the following chart. One test for metals and nonmetals, besides appearance, is to test the electrical conductivity using the simple circuit provided.
Diagram of Circuit
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Element
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Symbol/Formula
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State of matter
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Metal/Non metal Predicted: Proved
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Cobalt
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Iodine
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Lithium
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Silicon
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Sulfur
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Carbon
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Open and read the focus text book pg. 127
Are there any anomalies on your results in the data table above?
What further tests can you perform to determine whether an element is a metal or non-metal?
What is an atom? (pg 118 Focus)
Part 2 Mixtures (Refer to pg 89-92 Focus textbook)
What is a mixture? Give few examples
What is a pure substance? Give few examples
In the table below, are the substances pure, or mixtures? Give a reason for your answer. If they are mixtures, how can you separate them?
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Item
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Mixture/Pure
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Reason
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Separation?
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Aqua
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Salt Water
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Air
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Silver
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