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chemical properties of elements - Coggle Diagram
chemical properties of elements
group 6
oxygen
in the ozone layer is an allotrope and causes oxidation
O(g) + O2 (g) = O3
sulfur
burns slowly with a blue flame
group 4
carbon
forms slightly acidic oxides and shows reaction when introduced to heat
C(s) +O2 (g) = CO2 (g) 2C(g) + O2(g) = 2CO (g) this in an incomplete combustion
silicon
no reaction
Si(s) + O2 (g) = SiO2(s) - weak acid
group 7
group 5
nitrogen
forms a range of oxides with different oxidation states
its produces NO NO2 and N2O2
phosphorous
burns vigorously with a white flame
P4O5 if there is limited oxygen and P4O10 if excess oxygen
group 2
needs heat to react and have very vigorous reactions
2Be (s) + O2 (g) =2BeO(s)
group 3
aluminium
has a vigorous reaction and starts to form a water insoluble coating of Al2O3 the layer will prevent it from corroding
4Al (s) + 3O2 (g) = 2Al2O3 (s)
group 0
group 1
lithium
burns rapidly with a red flame
metal oxide produced when in an oxygen rich environment and produces an alkaline solution when placed in water
4Na (s) + O2(g) = 2Na2O(s)
4Li(s) + O2(g) = 2Li2O(s)
sodium
burns vigorously with an orange flame