Final answer:
Group 1 on the periodic table, known as alkali metals, share the characteristics of being metals, soft, and reactive with other elements.
Explanation:
Group 1 on the periodic table is known as the alkali metals. These elements share specific characteristics:
- Almost all are metals: Alkali metals are indeed metals.
- Almost all are soft: They are soft and can be easily cut.
- They react with other elements: Alkali metals are highly reactive and readily lose their outermost electron to form cations.
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