Sodium forms a 1+ ion, while fluorine forms
a l-ion. Write the electron configuration for each ion.
Why don't these two elements form 2+ and 2-ions,
respectively?

Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?

Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?

The valence of aluminum is +3, and the valence of the chlorine is -1. the formula fir the aluminum chloride is correctly written as