Group 1 (alkali metals) - PAPER 2 Flashcards

1
Q

Group 1 metals such as potassium, sodium and lithium, react with water to produce

A

a metal hydroxide and hydrogen

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2
Q

The observations for the reaction of water with either potassium or sodium or lithium have the following similarities

A

fizzing (hydrogen is produced)
metal floats and moves around on the water
metal disappears

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3
Q

as we go down group 1 (increasing atomic number), the elements become

A

more reactive

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4
Q

explain the trend in reactivity in Group 1 in terms of electronic configurations

A

As you go down the group the outer electron lost from the group 1 metal is further from the nucleus therefore the electron is less attracted by the nucleus and therefore more easily lost.

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