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.
covalent bonds form when_(at molecular level). when atoms are closer together and the positive charge of the nucleus attracts the electron of the other atom. This attraction, which is greater than the repulsion between the valence electrons, pulls atoms closer until they share a pair of valence electrons.