Reactions of Period 3 Elements Reactions with oxygen Flashcards
sodium chemical formula, reaction conditions , reaction , flame , product
4Na(s) + O2(g) → 2Na2O.(s)
heated
vigorous reaction
flame is bright yellow
product is white solid
magnesium chemical formula, reaction conditions , reaction , flame , product
reacted with oxygen
2Mg(s) + O2(g) → 2MgO.(s)
heated
reaction is vigorous
flame is bright white
product white solid
aluminium
chemical formula, reaction conditions , reaction , flame , product
reacted with oxygen
4Al(s) + 3O2(g) ~ 2Al2O3(s)
reaction conditions powdered aluminium
reaction is fast
flame is bright white
product white powder
Silicon
chemical formula, reaction conditions , reaction , flame , product
reacted with oxygen
Si(s)+O2(g) ~ SiO2 (s)
reaction conditions powdered Si heated strongly
reaction is slow
flame is bright white sparkles
product white powder
Phosphorus
chemical formula, reaction conditions , reaction , flame , product
reacted with oxygen
4P(s) + 5O2(g) ~ P4O10(s)
reaction conditions heated
reaction vigorous
flame is yellow or white
product white cloud
Sulphur
chemical formula, reaction conditions , reaction , flame , product
reacted with oxygen
S(s) + O2(g) ~ SO2(g)
Powdered sulphur heated gently
reaction is gentle
flame is a blue flame
product toxic fumes