Page 18 - Pro test

Demonstration: Alkali metals

All metals on the periodic table share similar properties.
When we look closer at the groups (columns) we see that the

elements of a group have even more properties that only

that group possess.

Alkali metals: These elements all have 1 electron in their

outer shell, this causes it to react very quickly with water to

make a metal hydroxide (a strong base) and hydrogen gas).

Demonstration: We carefully drop some Sodium into some

water. We will put some phenolphthalein in the water which

will turn pink when the reaction produces a metal hydroxide

Discussion: Explain why alkali metals react with water so

quickly

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