The charge on the manganese in the salt MnF3 is . A) -2
B) +2
C) +3
D) -1
E) +1

each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.

colorless gas, exhibiting a blue glow when placed in an electric field

b) solid

its a type of rock