The alkali metals are found in Group 1 of the periodic table of the elements - Junior Cycle Science - Question h - 2023
Question h
The alkali metals are found in Group 1 of the periodic table of the elements.
(i) Name two of the alkali metals.
1. ________________
2. ________________
(ii) Descr... show full transcript
Worked Solution & Example Answer:The alkali metals are found in Group 1 of the periodic table of the elements - Junior Cycle Science - Question h - 2023
Step 1
Name two of the alkali metals.
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Answer
Sodium
Potassium
Step 2
Describe one physical property of the alkali metals.
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Answer
Alkali metals are soft and can be easily cut. They are also less dense than water, and they exhibit a shiny appearance when freshly cut, although they can appear dull after exposure to air.
Step 3
Describe one chemical property of the alkali metals.
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Answer
Alkali metals are very reactive, particularly with water and oxygen. They have one electron in their outer shell, which they lose easily in chemical reactions, forming positive ions. This makes them react vigorously when exposed to moisture or air.
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