select the correct answer. in the periodic table of elements, what do all of the elements in group 2 have in…

select the correct answer. in the periodic table of elements, what do all of the elements in group 2 have in common? a. an atom of each element can hold up to eight electrons in its outer energy level. b. an atom of each element can hold up to six electrons in its outer energy level. c. each element is an alkaline earth metal. d. each element is a halogen. e. each element is dull, brittle, and breaks easily.

select the correct answer. in the periodic table of elements, what do all of the elements in group 2 have in common? a. an atom of each element can hold up to eight electrons in its outer energy level. b. an atom of each element can hold up to six electrons in its outer energy level. c. each element is an alkaline earth metal. d. each element is a halogen. e. each element is dull, brittle, and breaks easily.

Answer

Brief Explanations:

Elements in group 2 of the periodic table are known as alkaline - earth metals. They have 2 valence electrons. Option A is about elements in group 18 (noble gases), option B is not characteristic of group 2, option D refers to group 17 elements (halogens), and option E describes non - metals rather than group 2 elements.

Answer:

C. Each element is an alkaline earth metal.