A) good conductor of heat B) good conductor of electricity C) ends to gain elect

Question

A) good conductor of heat B) good conductor of electricity C) ends to gain electrons D) forms ionic E) found on the 18. What is the formula for an ionic compound made of aluminum and oxyge A) AlO2 B)A1203 19. Identify the compound with ionic bonds. A) Ne 20. A Identify the compound with covalent bonds. B) CO C) N2 D) H20 A) CH4 B) Kr C) KBr D) Li E) NaCl 21. Which formula shown is incorrect for the compound formed between the B) ammonium A) strontium & carbonate: SrCO3 C) potassium & acetate: KC2H302 Elithium & sulfate: Liso.4 D) calcium & ni

Explanation / Answer

Ionic bonds are formed when electronegative difference between two atoms in bond is high

N2 cannot be ionic as EN difference would be 0  

Ne is single atom which doesnot form bonds

H2O has O-H bonds which is polar covalent bond

CO bond is also polar covanet

Hence among all , no bond is pure ionic .

The bond with more ionic character is O-H bond since its EN difference is high. Hence H2O is answer

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