In which set of elements would all members be expected to have very similar chemical properties?
A)O, S, Se
B)N, O, F
C)Na, Mg, K
D)S, Se, Si
E)Ne, Na, Mg

Question

Quizplus · Accepted Answer

Elements O (oxygen), S (sulfur), and Se (selenium) are all in the same group (Group 16, the chalcogens) in the periodic table, meaning they have similar valence electron configurations and thus similar chemical properties.

In Which Set of Elements Would All Members Be Expected