Question

What do all the elements in group 2 of the periodic table have in common?

Answer 1

Answer:

Although many characteristics are common throughout the group, the heavier metals such as Ca, Sr, Ba, and Ra are almost as reactive as the Group 1 Alkali Metals. All the elements in Group 2 have two electrons in their valence shells, giving them an oxidation state of +2.

Answer 2

Answer:

all the elements in group 2 have two electron in their valence shell ( means outer covering shell)

given them an oxidation state of +2 .eg) barium (Ba) , magnesium (Mg) ,calcium(Ca) , beryllium (Be) and strontium(Sr)

Explanation:

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