Why does refrigerated food stay fresh longer than food that is kept at room temperature

State two physical properties of ionic compound

Complete the table for ion charge based upon their losing or gaining electrons in the outer shell. (use the periodic table as necessary.) group most likely ionic charge # of valence electrons i +1 ii +2 iii +3 iv +4 or -4 v -3 vi -2 vii -1 viii 0

Which term refers to a property that depends only on the amount of a substance? ©@