What is the average atomic mass (in amu) of element m

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 of the following is a physical property flammability heat of combustion solubility and toxicity

•hydration •dissociation •dissolving which one goes to which