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.
A covalent bond occurs between two non-metals, such as Hydrogen and Oxygen, and the two (or more) elements share the electron between themselves. An ionic bond occurs between a metal and a non-metal, such as Sodium and Chlorine. In an ionic bond, the electron is transferred from the metal to the non-metal.