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


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