我想問上咩叫covalent bond??
我睇完wiki都唔明
係咪 2 kinds of non-metal element shared outermost shell
let it be full outermost shell?
electron attract atomic nucleus ?
molecules 同covalent bond 有咩關係？？
更新1:
okay~我明白了 但係想再問一條問題 molecular formula 同structral formula 係咩？ molecular formula e.g:hydrogen chloride = H-Cl? structral formula?????
更新2:
OKAY THANK YOU 咩係MOLECULAR FORMULA 同STRUCTURAL FORMULA?
