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Group 1 Alkali Metals
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What can be done to prevent the alkali metals from reacting with air and tarnishing ?
Alkali metals can be stored in oil
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____________ is used in fireworks and explosives
Potassium
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Potassium is more dense than sodium . True or False
False
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________is used in batteries
Lithium
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What are the products of a reaction between an alkali metal and air ?
Metal oxide
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The flame test can be used to identify Alkali metals .Mention the color given with Lithium and Sodium
Lithium Red and Sodium Orange
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How many electrons do the alkali metals have in their outer most shell ?
1 Electron
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Alkali metals are not like the typical transition metals (ex. iron) in which properties ?
Soft , low melting and boiling points , low densities
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What are the products of a reaction between an alkali metal and water ?
Metal hydroxide and Hydrogen
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Which alkali metals can float over water and why ?
Lithium , Sodium and Potassium as they are less dense than water
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Alkali metals are always shiny . True or False
False , they are only shiny when freshly cut
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What is the charge of a group 1 metal ion? And why?
+1, as they lose 1 Electron to obtain a full outer shell
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Which alkali metal is the least reactive?
lithium
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