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Group I properties
Explain that the alkali metals in Group I, specifically lithium, sodium, and potassium, are relatively soft metals and identify the general trends observed as you move down the group, which include: (a) a decrease in melting point, (b) an increase in density, and (c) an increase in reactivity with water.
2
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20
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14
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88 min
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CambridgeIGCSECombined ScienceThe Periodic Table
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Group I properties outcomes2 objectives
- Explain that the alkali metals in Group I, specifically lithium, sodium, and potassium, are relatively soft metals and identify the general trends observed as you move down the group, which include: (a) a decrease in melting point, (b) an increase in density, and (c) an increase in reactivity with water.
- Make predictions about the characteristics of other elements in Group I based on provided information regarding those elements.
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