Oxygen,O,(number 8),sulfur,S,(number 16),and Selenium,Se,(number 34)have Such Similar Chemical Properties Because

Multiple Choice

Oxygen,O,(number 8) ,sulfur,S,(number 16) ,and selenium,Se,(number 34) have such similar chemical properties because

A) their outermost shells contain the same number of electrons.
B) because they are all located close to one another in the periodic table.
C) they all have the same number of occupied shells.
D) These elements can't have similar chemical properties because they are in different periods of the periodic table.