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 is a type of chemical bonding which is formed as a result of sharing electron pairs between non-metal atoms. This electron sharing is occurred due to low electronegativity difference between the two atoms involved in bonding. In covalent bonding, non-metal atoms are typically involved.