lassyangCindi lassyangCindi

15-08-2016
Chemistry

contestada

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

Respuesta :

dasetka dasetka

15-08-2016

The element A. Sr, or strontium, has two valence electrons. You can find this information by locating it on the Table of Elements, where it is in Group 2.

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superman1987 superman1987

18-07-2018

The Correct answer is (A) Sr element.

The explanation:

by looking at the periodic table and look at Group 2 which has elements with two valences we can see the Sr element

and its outer shell has 2 valence electrons.

so, Sr is the element that has two valence electrons.

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