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Chem Exam Ch.6
Final Exam
Question | Answer |
---|---|
atoms are what when they are combined | more stable |
when atoms share electrons, the electrical attraction of an atom for the electrons is called the atoms | electronegativity |
if th eatoms that share electrons have an unequal attraction for the electrons, the bond is called | polar |
a covalent bond results when what are shared | electrons |
a mutual electrical attraction between the nuclei and valence electrons of different atoms that binds the atoms together is called a | chemical bond |
in many compounds, atoms of main group elements form bonds so that the number of electrons in the outermost energy levels of each atom is | 8 |
if two covalently bonded atoms are identical, the bond is | nonpolar covalent |
a chemical bond resulting from the electrostatic attraction between positive and negative ions is called | ionic bond |
the electrons involved in the fromation of chemical bond are called | valence electrons |
most chemical bonds are | partly ionic and partly covalent |