Question

Which of these pairs of elements have the same number of valence electrons?
A.
oxygen (O) and bromine (Br)
B.
selenium (Se) and bromine (Br)
C.
carbon (C) and lead (Pb)
D.
oxygen (O) and carbon (C)
E.
sodium (Na) and magnesium (Mg)

Answer 1

Hey mate hope it helps you.....

The answer is C. carbon and lead

Answer 2

Answer:

C. Carbon and Lead

Explanation:

C and Pb are in the same group of periodic table-14.