Given that the ions in lif and mgo are of similar size, which compound has stronger ionic bonding?

Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.

From the options provided for each element below, choose the properties that it may have based on its location in the periodic table fluorine (f): highly reactive nonmetal shiny a conductor

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?