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which of the following elements is an alkali metal

potassium (K)

calcium (Ca)

chromium (Cr)

germanium (Ge)

Verified Answer :

ErebusX

The alkali metals, all of them are:

Lithium (Li)
Sodium (Na)
Potassium (K) [Answer]
Rubidium (Rb)
Caesium (Cs)
Francium (Fr)

They're all on the 1A row on the periodic table.

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