Chemistry, 15.10.2020 18:01 catuchaljean1623
Covalent bonds generally form when the bonded elements have a difference in electronegativity less than 1.5. Ionic bonds generally form when the bonded elements have a difference in electronegativity greater than 1.5 What is the electronegativity difference between aluminum and oxygen will these two atoms form an iconic or covalent compound
A. 5.0 ionic compound
B. 5.0, covalent compound
C. 2.0, Covalent compound
D. 2.0, ionic compound
Answers: 2
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Consider the reaction: 2al(s) + fe2o3(s) β al2o3(s) + 2fe(s) the Ξ΄hf for fe2o3(s) = -824.3 kj/mole. the Ξ΄hf for al2o3(s) = -1675.7 kj/mole. finish the equation. Ξ΄hrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]
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Covalent bonds generally form when the bonded elements have a difference in electronegativity less t...
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