Barium's atomic number is 56. Thus, an atom of barium has 56 protons in it. To keep it electrically neutral then, a barium atom must also have 56 electrons per atom.
BaSo3
20 electrons
42 electrons
Two electrons from each element are shared; the total is four electrons.
6 valence electrons
Barium is a group 2 element. All group 2 elements have 2 valence electrons. Thus, barium has 2 valence electrons.
BaSo3
Ba(NO3)2
Barium is an Alkaline Earth Metal found in Group 2 of the Periodic Table.
This is possible because the baruim sulfate formed is insoluble.
No. Barium is an alkaline earth metal (or group 2 element). Noble gases are group 18 elements.
8 electrons
16 electrons
20 electrons
6 electrons
97 electrons
4 electrons.