Periodic Trends and Reactivity Quiz

Which metal reacts more vigorously with water as you move down the periodic table?

• Calcium

• Potassium

• Sodium

• Lithium

What is the trend in reactivity when moving from sodium to magnesium in the periodic table?

• Reactivity increases

• Reactivity decreases

• Reactivity remains the same

• Reactivity is unpredictable

Which of the following metals showed the least reactivity in the experiments?

• Magnesium

• Sodium

• Lithium

• Potassium

What color does the pH paper turn when the solution is basic?

• Yellow

• Green

• Blue

• Red

What is the approximate pH value of the solution when it turns greenish with pH paper?

• 11

• 5

• 9

• 7