Definition of expend in the AudioEnglish.org Dictionary. Meaning of expend. What does expend mean? Proper usage and pronunciation (in phonetic transcription) of the word expend. Information about expend in the AudioEnglish.org dictionary, synonyms and antonyms.
Confidence votes 36. Covalent bonds usually form between the electrons in the outer valence of an atom. For study island the answer is nonmetals and nonmetals. Covalent bonds usually form between the electrons in the outer valence of an atom. For study island the answer is nonmetals and nonmetals.
There are hydrogen bonds, covalent bonds, ionic bonds, and metallic bonds. Atoms form compounds by sharing electrons to create full-levels which keeps them balanced and uniform. The first level is 2 electrons, the second is 8, the third is 18, and it keeps growing from there. The bonds explain different ways the electrons can be used between the multiple atoms.