2道英语化学题1.How many single covalent bonds must a nitrogen atom
2道英语化学题
1.How many single covalent bonds must a nitrogen atom in a neutral molecule form in order to have a complete octet in its valence shell?A)4 B)3 C)2 D)1
2.什么是monoprotic fluoroacetic?
1.How many single covalent bonds must a nitrogen atom in a neutral molecule form in order to have a complete octet in its valence shell?A)4 B)3 C)2 D)1
2.什么是monoprotic fluoroacetic?
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你能帮帮他们吗