Last updated on Sep 20, 2026

Na & Mg with water (AQA A-Level Chemistry): Flashcards

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Na & Mg with water

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Group of $Na$ in periodic table

Group 1 (alkali metal)

Group of $Mg$ in periodic table

Group 2 (alkaline earth metal)

Electrons lost: $Na$ vs $Mg$

$Na$ : one electron, $Mg$ : two electrons

More reactive metal: $Na$ or $Mg$

Sodium ( $Na$ )

$Na$ reaction speed with cold water

Vigorous

Equation: $Na$ + cold water

$2Na + 2H_2O \rightarrow 2NaOH + H_2$

pH nature of $NaOH$ solution

Strongly alkaline/high pH

$Mg$ reaction speed with cold water

Very slowly

Equation: $Mg$ + steam

$Mg + H_2O(g) \rightarrow MgO + H_2$

Observation: $Mg$ burning in steam

Bright white flame

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Properties of Period 3 Elements & their Oxides (A Level only)

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Properties of Period 3 Elements & their Oxides (A Level only)

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Properties of Period 3 Elements & their Oxides (A Level only)

Transition Metals (A Level only)

Reactions of Ions in Aqueous Solution (A Level only)

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