The noble gases can be found in group/period

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.

What two factors can affect the properties of a hydrocarbon? a. the number of its carbon atoms and the number of single bonds b. the number of its carbon atoms and the arrangement of its atoms c. the arrangement of its atoms and the number of its double bonds

How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate