In formation of a Type II Binary Compound, the metal atom present is<span>
NOT</span> found in either Group 1 or Group 2 on the periodic table. For the choices, Ba is under Group 2 on the periodic table, which makes it the atom not involved in formation of type II compounds. The answer is B.
I would go with C. SDS and warning signs
The answer is D or 4,3,2!
1 it a 2 it b 3 it c 4 it be 7 it a