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 sharing atoms results in the highest stability. 1  Other types of bonds besides ionic and covalent chemical bonds exist, too. 2  A chlorine atom, in contrast, is short one electron to fill its outer shell. 3  Sodium and chlorine form an ionic bond with each other, to form table salt or sodium chloride.