Question

which pair of elements listed below has properties that are most similar to each other? boron an carbon ,krypton an xenon ,phosphorus and aluminum or arsenic and argon

Answer 1

Boron and Carbon

Step-by-step explanation:

They both belong to Period 2 of the periodic table .

They have the same number of atomic orbitals. They have one orbital for their electrons in the first row. All of the elements in the second row have two orbitals for their electrons.