How many valence electrons does the element Ba have?
6
8
3
2
Ba is the chemical symbol for the element Barium. Barium has 2 valence electrons.
The element Ba, which stands for Barium, has 2 valence electrons.
To determine the number of valence electrons for the element Ba (barium), you can refer to the periodic table.
- Locate the element Barium (Ba) on the periodic table. You will find it in the second column (Group 2) known as the alkaline earth metals.
- The group number represents the number of valence electrons an element has. In this case, since Ba is in Group 2, it means it has 2 valence electrons.
Therefore, the correct answer is 2.