24 1. which alkaline earth metal, magnesium, calcium, or aluminum, is more active? 2. which period 3 metal, magnesium or aluminum, is more active? 3. rank the three metals tested from most active to least active. 4. write a general statement that describes the periodic trend in metal activity down a group of the periodic table. 5. write a general statement that describes the periodic trend in metal activity within a period of the periodic table. 6. locate the following metals on the periodic table: magnesium, potassium, and sodium. based on your answers to the previous questions, rank these metals in order of their expected activity, from most active to least active. 7. litmus paper changes color in acidic (red) and basic (blue) solutions. the word alkaline is a synonym for basic. why are the two words “alkaline” and “earth” used to name the group 2 metal? if you can solve these,