chassicat chassicat

12-04-2018
Chemistry

contestada

Which of the following elements has two valence electrons?
a. Sr
b. Na
c. Al
d. B

Respuesta :

joeyriner25 joeyriner25

12-04-2018

(A sr) should be the answer

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khalfani0268 khalfani0268

12-04-2018

A.Sr should be the correct choice

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