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39. The alkaline earth metals are all shiny, silvery-white, somewhat reactive metals at standard temperature and pressure They are chemical elements with valence electrons equal to two Which pair of elements belong to alkaline earth metals?

A.Lithium and Sodium
B. Beryllium and Magnesium C. Boron and Aluminum
D. Fluorine and Chlorine​


Sagot :

Answer:

✒️Answer

Which pair of elements belong to alkaline earth metals?

B.Beryllium and Magnesium

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Answer:

A. Lithium and Sodium

Explanation:

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