Metals in group 2 of the periodic table form ionic bonds in a one-to-one ratio with nonmetals in group . 15
15

16
16

17
17

18
18

What? i don’t understand

Compound with sulfer  is bright red 

It is a mixture. simply put, a compound must be pure, that is, of only one chemical structure and composition. a mixture is made of different chemical substances (i.e. elements, molecules, compounds) that are not chemically bonded to each other, but instead physically grouped together, as in the case of gasoline (a homogeneous solution).

Answer it is also known as the completion state is untrue of the activation complex;