Question

Which pair of elements would be expected to have similar reactivities?

fluorine (F) and oxygen (O)
bromine (Br) and chlorine (Cl)
carbon (C) and copper (Cu)
sodium (Na) and sulfur (S)

Answer 1

yes

Step-by-step explanation:

no

Answer 2

Answer:bromine & chlorine

Step-by-step explanation:

Elements with the same number of valence electrons have similar chemical properties. Since bromine and chlorine are in the same group (7A), both are expected to have similar reactivities.