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本人在国外学上高中,化学遇到难题了,

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本人在国外学上高中,化学遇到难题了,
What are the differences among "chemical bonds" ,"chemical bond"and "chemical bonding"?
本人在国外学上高中,化学遇到难题了,
chemical bonds include covalent bond,ionic bond and other bonds,such as hydrogen bond.
chemical bond just means covalent bond and strong ionic bond.
chemical bonding means the other bonds,such as hydrogen bond.
just for reference only.