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23-03-2017
Chemistry

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which of the following elements is an alkali metal
potassium (K)
calcium (Ca)
chromium (Cr)
germanium (Ge)

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ErebusX ErebusX

23-03-2017

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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