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The elements potassium and rubidium are alkali metals.
How do alkali metals differ from other metals?
O A. They have higher densities.
OB. They have higher reactivities.
O c. They have higher melting points.
D. They have higher electronegativities.

Sagot :

princessa92

Answer:

D

Explanation:

The alkali metals have the high thermal and electrical conductivity, lustre, ductility, and malleability that are characteristic of metals. Each alkali metal atom has a single electron in its outermost shell. This valence electron is much more weakly bound than those in inner shells.

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