In the periodic table of, what do all of the elements in group 2 have in common?

Instructions: Select the correct answer.

In the periodic table of, what do all of the elements in group 2 have in common?

An atom of each element can hold up to eight electrons in its outer energy level.

An atom of each element can hold up to six electrons in its outer energy level.

Each element is an alkaline earth metal.

Each element is a halogen.

Each element is dull, brittle, and breaks easily.

2 Answers
Jun 17, 2018

Each element is an alkaline earth metal.

Explanation:

An atom of any group 2 element can only hold up to 2 electrons in the outermost shell.

Any group 2 element dissolves in water to form alkaline solution.

Only Group 17 elements are halogens.

Metals are shiny, quite hard compared to non-metals which means it does not break easily relatively.

Jun 17, 2018

I think the best answer is...#"each element is an alkaline earth metal"#

Explanation:

Group 2 of the Periodic Table comprise beryllium, magnesium, calcium, strontium, and radium. These commonly form #M^(2+)# ions....