I measure the density of gold to be 17.4 g/mL. If the actual value is 19.3 4 poin g/mL. Calculate the percent error.

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

Asubstance is a good conductor of electricity which of the following best explains a probable position of the substance in a periodic table

What is true of composite volcanoes?