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Sodium is an alkali metal and tends to lose an electron to form the positive sodium ion (Na +).
You need an alkali metal , which has one electron in the outer shell, to make the process work.
The first family on the periodic table is the alkali metals .
We've used such smart polymers to fabricate chemically sensitive holograms responsive to water, alcohol, pH, and positively charged ions of alkali metal .
He isolated potassium, another well known alkali metal , from potassium hydroxide in the same year.
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