Reactions of Period 3 Elements Reactions with oxygen Flashcards

1
Q

sodium chemical formula, reaction conditions , reaction , flame , product

A

4Na(s) + O2(g) → 2Na2O.(s)
heated

vigorous reaction

flame is bright yellow

product is white solid

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2
Q

magnesium chemical formula, reaction conditions , reaction , flame , product

reacted with oxygen

A

2Mg(s) + O2(g) → 2MgO.(s)

heated

reaction is vigorous

flame is bright white

product white solid

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3
Q

aluminium

chemical formula, reaction conditions , reaction , flame , product

reacted with oxygen

A

4Al(s) + 3O2(g) ~ 2Al2O3(s)

reaction conditions powdered aluminium

reaction is fast

flame is bright white

product white powder

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4
Q

Silicon

chemical formula, reaction conditions , reaction , flame , product

reacted with oxygen

A

Si(s)+O2(g) ~ SiO2 (s)

reaction conditions powdered Si heated strongly

reaction is slow

flame is bright white sparkles

product white powder

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5
Q

Phosphorus

chemical formula, reaction conditions , reaction , flame , product

reacted with oxygen

A

4P(s) + 5O2(g) ~ P4O10(s)

reaction conditions heated

reaction vigorous

flame is yellow or white

product white cloud

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5
Q

Sulphur

chemical formula, reaction conditions , reaction , flame , product

reacted with oxygen

A

S(s) + O2(g) ~ SO2(g)

Powdered sulphur heated gently

reaction is gentle

flame is a blue flame

product toxic fumes

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6
Q
A
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7
Q
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