Question

question 3 (1 point) listen periodictable2. select all the correct statement(s) about barium. it is in period 5. it is in group 2a. it is an alkaline earth metal. it tends to form a stable ion with a +1 charge.

Explanation:

Barium has an atomic number of 56. It is located in Period 6, Group 2A of the periodic table. Elements in Group 2A are alkaline - earth metals. They tend to form stable ions with a + 2 charge, not + 1. So the correct statements are that it is in Group 2A and is an alkaline earth metal.

Answer:

B. It is in Group 2A, C. It is an alkaline earth metal