関連ワード:  explain the term with example covalent bond    explain the following term with example covalent bond    explain the following terms with example b covalent bond    explain with example covalent bond    explain the term polar covalent bond with an example    what is covalent bond give two examples    explain in brief with one example covalent bond    what is covalent bond and its types  
結果 : explain the term with example covalent bond