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Chapter 10 and 12 Crossword Review

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Across
1.the energy required to remove an electron from a gaseous atom
3.A chemical bond formed between two ions with opposite charges
7.average distance between nuclei of two bonded atoms in a molecule
9.a group of atoms bonded together,
11.the change in energy of a neutral atom
17.covalent bond distance
Down
2.electron configuration of noble gases
4.a reduction in the effective nuclear charge on the electron cloud, due to a difference in the attraction forces
5.half of the internuclear separation of two non-bonded atoms of the same element
6.a measure of the tendency of an atom to attract a bonding pair of electrons
8.the energy required to remove an electron from a gaseous atom or ion
10.the imaginary straight line that connects the nuclei of atoms bonded to each other in a molecule.
12.half the distance between two ions that are barely touching each other
13.a chemical bond that involves the sharing of electron pairs between atoms
14.a measure of the size of its atoms
15.a type of chemical bond that occurs between atoms of metallic elements
16.the angle formed between three atoms across at least two bonds

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