Which two elements have similar properties and 8 electrons in their outermost shells?
A. Arsenic and Antimony
B. Sodium and Potassium
C. Iodine and Bromine
D. Krypton and Xenon

Respuesta :

Answer:

Its D Kr and Xe

Explanation:

Element from the same group have simmilar properties

If you now the atomic number ،its so easy to know how much electrons they have in outermost shell.

Answer:

D. Krypton and Xenon

Explanation: