Which equation represents an oxidation-reduction reaction? A)
238 U + 334 Th + He
B)
H+ + OH + H20
C)
Zn + Sn4+ + Zn2+
→ Zn2+ + Sn2+
D)
3AgNO3 + Li3PO4 → Ag3PO4 + 3LiNO3

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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.