Name the element that has atoms with the same electronic structure as sulfur ion

How does litmus paper indicate an acid?

Using the periodic table, complete the table to describe each atom. type in your answers.a ? b? c? d? e? f?

In a laboratory, 1.55mg of an organic compound containing carbon, hydrogen, and oxygen is burned for analysis. this combustion resulted in the formation of 1.45mg of carbon dioxide and .89 mg of water. what is the empirical formula for this compound?