26-05-2022
Physics

contestada

PLEASE HELP

Which of the following is a characteristic property of the alkaline earth
metals?
A. They are harder than alkali metals.
B. They are more reactive than alkali metals.
C. They all have 3 valence electrons.
D. They are all radioactive.

Respuesta :

26-05-2022

Answer:

It's D, they're all radioactive. This is due to the molecules that it is made up of

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