15- The (3d) elements which form compounds used as a fungicide are located in groups.
a) 4B, 2B
b) 1B, 7B.
c) 3B, 6B
d) 2B, 3B
I

The teacher is mostly talking about the distillation of a mixture

Non metal is an element or substance that is not a metal metal is a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivitymetalloid is an element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals. they are electrical semiconductors.

Ithink the answer is 10.576