Chemistry Keywords: Bonding and Structure 3.5 / 5 based on 2 ratings ? ChemistryKeywordsASAQA Created by: Delta_Created on: 01-11-16 22:16 3968510217 Across 1. A region of space within an atom that can hold 2 electrons with opposite spin (7) 2. A regular three-dimensional arrangement of atoms, ions or molecules (7) 7. The tiny positively charged cente of an atom composed of protons and neutrons (7) 8. A quantity of a substance that contains the Avagadro number of particles (4) 9. A reaction in which an atom/group of atoms loses electrons (9) Down 2. A pair of electrons in the outer shell of an atom that is not involved in bonding (4, 4) 3. Covalent bonding in which both of the electrons in the bond come from one of the atoms in the bond (2, 8, 7) 5. The number of electrons lost or gained by an atom in a compound compared to the uncombined atom (9, 5) 6. A chemical bond in which an electron(s) are transferred from one atom to the other resulting in the formation of oppositely charged ions with electrostatic forces of attraction between them (5, 7) 10. A set of organic compounds with the same functional group. (10, 6)
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