Why might two elements possess similar chemical properties?
A. They belong to the same group of the periodic table.
hey have the same physical state.
c. They have similar physical properties.
D. They belong to the same period of the periodic table.
A (they belong to the same group of the periodic table)
The answer is A because C doesn't have a causal relationship, D doesn't strongly effect most chemical properties, and chemical properties remain unchanged with state of matter.
