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 formed between non-metal atoms, which combine together by sharing electrons. Water and carbon dioxide exist as simple molecules. The periodic table is an arrangement of the elements in order of atomic number. It was developed over time by many scientists. Elements in the same vertical column are in the same group.