contestada

Helium (He), oxygen (O), carbon (C), and selenium (Se) are all nonmetal. Using the periodic table, which pair of these nonmetal has the most similar properties

Respuesta :

brainsplatter09
oxygen and selenium helium and selenium oxygen and helium carbon and oxygen
camillechef
Oxygen and Selenium because they are in the same group/family so they have the most similar properties.