Page 5 - Test for inifinite monkeys 2
P. 5
2. Alkali Earth Metals: These elements have
2 electrons in their outer shell, they will
still react with water to make a metal
hydroxide but at a much slower rate.
Demonstration: We will place Magnesium
into a test tube with water and observe
that it doesn’t react straight away. Gently heat over a blue
flame. Use phenolphthalein again to observe that a metal
hydroxide has been produced.
• Explain why alkali earth metals react with water at a slower
rate than group 1.
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