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. Covalent bonds are bonds where two atoms share two a pair of valence electrons. Covalent bonds usually occur between non-metals that are either of the same element, or of elements close to each other on the Periodic Table. There are two types of covalent bonds.